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Ferri's Clinical Advisor
Vitamin B12 (Cobalamin)
Table of Contents
Free Topics
Abdominal Aortic Aneurysm
Abnormal Uterine Bleeding
About
Abruptio Placentae
Absence Seizures
Acanthosis Nigricans
Acetaminophen Poisoning
Achalasia
Acute Coronary Syndrome
Acute Respiratory Distress Syndrome
Angina Pectoris
Atrial Flutter
Breast Cancer
Calculator - Cockcroft-Gault - Calculator
Calculator - Glasgow Coma Scale (GCS) - Calculator
Compartment Syndrome
Electronic Cigarette or Vaping--Associated Lung Injury (Evali)
Enthesitis Related Arthritis
Exocrine Pancreatic Insufficiency
Fibromyalgia
First-Degree Atrioventricular Block
Flowchart - Approach to Selecting Drug Therapy for Ventricular Rate Control
Flowchart - Approach to the Patient with Cellulitis
Gout
Hirsutism
Huntington Disease
Hypercholesterolemia
Liver Transplantation
Lyme Disease
Mallory-Weiss Tear
Mastocytosis
Medical Marijuana
Myelodysplastic Syndrome
Neuromyelitis Optica Spectrum Disorder
Opioid Use Disorder
Parkinson Disease
Polymyalgia Rheumatica
Prostate Cancer
Thyroid Nodule
I. Diseases and Disorders
22q11.2 Deletion Syndrome
Abdominal Aortic Aneurysm
Abdominal Compartment Syndrome
Abnormal Uterine Bleeding
Abruptio Placentae
Absence Seizures
Abusive Head Trauma
Acanthosis Nigricans
Acetaminophen Poisoning
Achalasia
Achilles Tendon Rupture
Acne Vulgaris
Acquired Immunodeficiency Syndrome
Acromegaly
Acromioclavicular Dislocation
Actinic Keratosis
Actinomycosis
Acute Aortic Syndromes
Acute Bronchitis
Acute Colonic Pseudo-Obstruction (Ogilvie Syndrome)
Acute Coronary Syndrome
Acute Disseminated Encephalomyelitis (ADEM)
Acute Glomerulonephritis
Acute Kidney Injury
Acute Liver Failure
Acute Lower Gastrointestinal Bleeding
Acute Lymphoblastic Leukemia
Acute Mesenteric Ischemia
Acute Myeloid Leukemia
Acute Respiratory Distress Syndrome
Acute Respiratory Failure (ARF)
Acute Stress Disorder
Acute Tubular Necrosis
Acute Urinary Retention (AUR)
Adhesive Capsulitis (Frozen Shoulder)
Adnexal Masses
Adrenal Incidentaloma
Adrenal Insufficiency
Adult-Onset Still Disease
Alcohol Use Disorder
Alcoholic Hepatitis
Aldosteronism (Hyperaldosteronism, Primary)
Allergic Rhinitis
Alopecia
Alpha-1-Antitrypsin Deficiency
Alzheimer Disease
Amaurosis Fugax
Amblyopia
Amebiasis
Amenorrhea
Amphetamine Use Disorder
Amyloidosis
Amyotrophic Lateral Sclerosis
Anaerobic Infections
Anal Cancer
Anal Fissure
Anaphylaxis
ANCA-Associated Vasculitis
Angina Pectoris
Angioedema
Angular Cheilitis
Ankle Fracture
Ankle Sprain
Ankylosing Spondylitis
Anorectal Fistula
Anorectal Stricture
Anorexia Nervosa
Anorexia-Cachexia Syndrome Associated with Malignancy
Anovulatory Uterine Bleeding
Anoxic Brain Injury
Anterior Cruciate Ligament Tears
Anterior Cutaneous Nerve Entrapment Syndrome (Acnes)
Antiphospholipid Antibody Syndrome
Anxiety (Generalized Anxiety Disorder)
Aortic Coarctation
Aortic Regurgitation
Aortic Stenosis
Aphasia
Aphthous Ulcers
Aplastic Anemia
Appendicitis
Arrhythmogenic Right Ventricular Dysplasia
Asbestosis
Ascariasis
Ascites
Asherman Syndrome (Intrauterine Adhesions)
Aspergillosis
Aspiration Pneumonia
Asthma
Asthma-COPD Overlap
Astrocytoma
Ataxia
Ataxia Telangiectasia
Atelectasis
Atopic Dermatitis
Atrial Fibrillation
Atrial Flutter
Atrial Myxoma
Atrial Septal Defect
Atrioventricular Dissociation
Attention-Deficit/Hyperactivity Disorder
Autism Spectrum Disorder
Autoimmune Hemolytic Anemia
Autoimmune Hepatitis
Autoimmune Polyendocrine Syndromes
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
AV Malformations, Cerebral
Avian Influenza
Babesiosis
Baker Cyst
Balanitis
Barrett Esophagus
Bartholin Gland Cyst and Abscess
Bartter Syndrome
Basal Cell Carcinoma
Bedbug Bite
Behçet Disease
Bell Palsy
Benign Paroxysmal Positional Vertigo
Benign Prostatic Hyperplasia
Bicuspid Aortic Valve
Binge Eating Disorder (Bed)
Bipolar Disorder
Bite Wounds
Bites and Stings, Arachnids
Bladder Cancer
Bladder Pain Syndrome
Blastomycosis
Blepharitis
Blepharospasm
Body Dysmorphic Disorder
Bone Tumor, Primary Malignant
Borderline Personality Disorder
Botulism
Brain Abscess
Brain Metastases
Brain Neoplasm, Benign and Low Grade
Brain Neoplasm, Glioblastoma
Brainstem Ischemic Stroke Syndromes
Breast Abscess
Breast Cancer
Breech Birth
Bronchiectasis
Brugada Syndrome
Bruxism
Budd-Chiari Syndrome
Bulimia Nervosa
Bullous Pemphigoid
Bullying, Cyberbullying, and School Violence
Bundle Branch Block
Burns
Bursitis
Calcium Pyrophosphate Deposition Disease (Pseudogout)
Calcium-Alkali Syndrome
Cancer Chemotherapy-Related Cardiotoxicity
Cancer of Unknown Primary
Candidiasis, Cutaneous
Candidiasis, Invasive
Cannabinoid Use Disorder
Carbon Monoxide Poisoning
Carcinoid Syndrome
Cardiac Tamponade
Cardiomyopathy, Chemical-Induced
Cardiomyopathy, Dilated
Cardiomyopathy, Hypertrophic
Cardiomyopathy, Restrictive
Cardiorenal Syndrome
Carotid Artery Aneurysm
Carotid Artery Stenosis
Carotid Sinus Syndrome
Carpal Tunnel Syndrome
Cataracts
Catatonia
Cat-Scratch Disease
Celiac Disease
Cellulitis
Cerebral Palsy
Cerebral Vasculitis
Cervical Artery Dissection
Cervical Cancer
Cervical Disc Syndromes
Cervical Dysplasia
Cervical Insufficiency
Cervical Polyps
Cervicitis
Chagas Disease
Chalazion
Chancroid
Charcot Joint
Charcot-Marie-Tooth Disease
Chemotherapy-Induced Nausea and Vomiting
Child Abuse and Neglect
Chlamydia Genital Infections
Cholangiocarcinoma
Cholangitis
Cholecystitis
Choledocholithiasis
Cholelithiasis
Cholera
Chorea
Chronic Fatigue Syndrome
Chronic Inflammatory Demyelinating Polyneuropathy
Chronic Kidney Disease
Chronic Kidney Disease-Mineral Bone Disease
Chronic Lymphocytic Leukemia
Chronic Myeloid Leukemia
Chronic Obstructive Pulmonary Disease
Chronic Pancreatitis
Chronic Pruritus
Chronic Rhinosinusitis
Chronic Traumatic Encephalopathy (CTE)
Chronic Urticaria
Cirrhosis
Cirrhotic Cardiomyopathy (CCM)
Claudication
Clostridium Difficile Infection
Cluster Headache
Cocaine Overdose
Coccidioidomycosis
Colorado Tick Fever
Colorectal Cancer
Coma and Other Disorders of Consciousness
Compartment Syndrome
Complex Regional Pain Syndrome
Concussion
Conduct Disorder
Condyloma Acuminatum
Congenital Adrenal Hyperplasia
Conjunctivitis
Constipation
Contact Dermatitis
Contraception
Contrast-Associated Acute Kidney Injury (CA-AKI)
Cor Pulmonale
Corneal Abrasion
Corneal Ulceration
Coronary Artery Disease
Coronary Artery Dissection
Costochondritis
Covid-19 Cardiac Effects
Covid-19 Disease
Craniopharyngioma
Creutzfeldt-Jakob Disease
Crohn Disease
Croup (Laryngotracheitis)
Cryoglobulinemia
Cryptococcosis
Cryptogenic Organizing Pneumonia
Cryptorchidism
Cryptosporidium Infection
Cubital Tunnel Syndrome
Cushing Disease and Syndrome
Cutaneous Larva Migrans
Cyclic Vomiting Syndrome
Cystic Fibrosis
Cysticercosis
Cytomegalovirus Infection
De Quervain Tenosynovitis
Deep Vein Thrombosis
Delayed Puberty
Delirium
Delirium Tremens
Delusional Parasitosis
Dementia With Lewy Bodies
Dengue Fever
Dependent Personality Disorder
Depression (Major Depressive Disorder)
Dermatitis Herpetiformis
Diabetes Insipidus
Diabetes Mellitus
Diabetic Foot
Diabetic Gastroparesis
Diabetic Ketoacidosis
Diabetic Nephropathy
Diabetic Polyneuropathy
Diabetic Retinopathy
Diaphragmatic Paralysis
Diarrhea, Persistent
Diffuse Idiopathic Skeletal Hyperostosis (DISH)
Diplopia
Discoid Lupus
Disseminated Intravascular Coagulation
Dissociative Disorders
Diverticular Disease (Diverticulosis, Diverticulitis, Diverticular Hemorrhage)
Down Syndrome
Drowning
Drug-Induced Interstitial Lung Disease
Drug-Induced Liver Injury
Dumping Syndrome
Dupuytren Contracture
Dysmenorrhea
Dyspepsia, Nonulcerative
Dysphagia
Dystonia
Early Pregnancy Loss
Early Repolarization Syndrome
Echinococcosis
Eclampsia
Ectopic Pregnancy
Ehlers-Danlos Syndrome
Ehrlichiosis and Anaplasmosis
Ejaculation and Orgasm Disorders
Elder Abuse
Electrical and Lightning Injury
Electronic Cigarette or Vaping--Associated Lung Injury (Evali)
Emergency Contraception
Empyema
Encephalitis, Acute Viral
Encephalopathy
Endocarditis, Infective
Endometrial Cancer
Endometriosis
Endometritis
End-Stage Kidney Disease
Enteropathic Arthritis
Enuresis
Eosinophilic Esophagitis (EoE)
Eosinophilic Fasciitis
Eosinophilic Granulomatosis With Polyangiitis
Eosinophilic Pneumonias
Epicondylitis
Epidermolysis Bullosa
Epididymitis
Epidural Abscess
Epidural Hematoma
Epiglottitis
Epiploic Appendagitis
Episcleritis
Epistaxis
Epstein-Barr Virus Infection
Erectile Dysfunction
Erysipelas
Erythema Multiforme
Erythema Nodosum
Esophageal Tumors
Esophageal Varices
Essential Tremor
Exocrine Pancreatic Insufficiency
Factitious Disorder
Fallopian Tube Cancer
Falls in the Elderly
Familial Adenomatous Polyposis and Gardner Syndrome
Familial Mediterranean Fever (FMF)
Fatty Liver of Pregnancy, Acute
Febrile Seizures
Fecal Incontinence (Encopresis)
Fertility Preservation in Women
Fetal Alcohol Spectrum Disorder
Fever in the Returning Traveler
Fever of Undetermined Origin
Fibrocystic Breast Disease
Fibromyalgia
Fifth Disease (Parvovirus B19 Infection)
Filariasis
First-Degree Atrioventricular Block
Focal Seizures
Folliculitis
Food Allergies
Food Poisoning, Bacterial
Friedreich Ataxia
Frontotemporal Dementia
Frostbite
Functional Gallbladder Disorder
Functional Neurologic Disorder
Galactorrhea
Gallbladder Cancer
Gallbladder Polyps
Gaming Disorder
Gastric Cancer
Gastric Outlet Obstruction
Gastrinoma
Gastritis
Gastroenteritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Stromal Tumors (Gists)
Gender Identity-Transgender and Gender Diverse Persons
Genitopelvic Pain/Penetration Syndrome
Genitourinary Syndrome of Menopause
Gestational Diabetes Mellitus (GDM)
Gestational Trophoblastic Disease
Giant Cell Arteritis
Giant Cell Myocarditis
Giardiasis
Gilbert Syndrome
Gingivitis
Gingivitis, Necrotizing Ulcerative (NUG)
Glaucoma, Open-Angle
Glaucoma, Primary Angle-Closure
Glenohumeral Dislocation
Glossitis
Glucose-6-Phosphate Dehydrogenase Deficiency
Gonorrhea
Goodpasture Disease
Gout
Graft-Versus-Host Disease
Granuloma Annulare
Granuloma Inguinale
Granulomatous Arthritis
Graves Disease
Grief (Prolonged Grief Disorder)
Guillain-Barré Syndrome
Gynecomastia
Hairy Cell Leukemia
Hallucinogenic Overdose
Hand-Foot-Mouth Disease
Hantavirus Pulmonary Syndrome
Head and Neck Squamous Cell Carcinoma
Health Care-Associated Infections (HAIs)
Heart Block, Complete
Heart Block, Second-Degree
Heart Failure
Heat Exhaustion and Heat Stroke
Heavy Menstrual Bleeding (Menorrhagia)
Helicobacter Pylori Infection
HELLP Syndrome
Hemochromatosis
Hemolytic-Uremic Syndrome
Hemophilia
Hemoptysis
Hemorrhagic Ovarian Cyst
Hemorrhoids
Heparin-Induced Thrombocytopenia
Hepatic Encephalopathy
Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis D
Hepatitis E
Hepatocellular Carcinoma
Hepatopulmonary Syndrome
Hepatorenal Syndrome
Hereditary Breast and Ovarian Cancer
Herpangina
Herpes Simplex
Herpes Zoster
Hiatal Hernia
Hidradenitis Suppurativa
High-Altitude Sickness
Hip Fracture
Hirsutism
Histiocytosis X (Langerhans Cell Histiocytosis)
Histoplasmosis
Histrionic Personality Disorder
HIV-Associated Cardiomyopathy
HIV-Associated Cognitive Dysfunction
Hoarding Disorder
Hodgkin Lymphoma
Hookworm
Horner Syndrome
Hot Flashes
Human Immunodeficiency Virus
Huntington Disease
Hydrocele
Hydronephrosis
Hypercholesterolemia
Hypercoagulable State
Hyperemesis Gravidarum
Hypereosinophilic Syndrome
Hyperglycemic Hyperosmolar Syndrome
Hyperhidrosis
Hyperkalemia
Hyperlipoproteinemia, Primary
Hypernatremia
Hyperparathyroidism
Hyperphosphatemia
Hypersensitivity Pneumonitis
Hypersplenism
Hypertension
Hyperthyroidism
Hypertrophic Osteoarthropathy
Hyperuricemia
Hypoactive Sexual Desire Disorder (HSDD)
Hypoaldosteronism
Hypochondriasis (Illness Anxiety Disorder)
Hypoglycemia
Hypogonadism
Hypokalemic Periodic Paralysis
Hypomagnesemia
Hyponatremia
Hypoparathyroidism
Hypophosphatemia
Hypopituitarism
Hypospadias
Hypothermia
Hypothyroidism
Idiopathic Intracranial Hypertension
Idiopathic Pulmonary Fibrosis
IgA Nephropathy
IgA Vasculitis
Immune Thrombocytopenic Purpura
Impetigo
Inclusion Body Myositis
Incontinence, Bowel, Elderly Patient
Incontinence, Urinary
Infantile Hypotonia
Infertility
Inflammatory Anemia
Inflammatory Myopathies
Influenza
Inguinal Hernia
Insect Bites and Stings
Insomnia
Insulinoma
Intermittent Explosive Disorder (Ied)
Interstitial Lung Disease
Interstitial Nephritis
Intraventricular Conduction Delay (Ivcd)
Intussusception
Iron Deficiency Anemia
Irritable Bowel Syndrome
Ischemic Colitis
Ischemic Hepatitis
Ischemic Optic Neuropathy
Jaundice and Hyperbilirubinemia in the Newborn
Jaundice in the Adult Patient
Junctional Rhythm
Juvenile Idiopathic Arthritis
Kaposi Sarcoma
Kawasaki Disease
Klinefelter Syndrome
Labyrinthitis
Lactic Acidosis
Lactose Intolerance
Lambert-Eaton Myasthenic Syndrome
Large Bowel Obstruction
Laryngeal Carcinoma
Laryngitis
Lead Poisoning
Legg-Calvé-Perthes Disease
Legionnaires Disease
Leishmaniasis
Leprosy
Leptospirosis
Lichen Planus
Lichen Sclerosus
Lichen Simplex Chronicus
Limping Child Evaluation
Listeriosis
Liver Abscess
Long Covid
Long QT Syndrome
Lumbar Disc Syndrome
Lung Abscess
Lung Neoplasms, Primary
Lyme Disease
Lymphangitis
Lymphedema
Lymphogranuloma Venereum
Lynch Syndrome
Ménière Disease
Macular Degeneration
Malabsorption
Malaria
Malignant Hyperthermia
Mallory-Weiss Tear
Malnutrition
Marfan Syndrome
Mastitis
Mastocytosis
Mastodynia
Mastoiditis
Measles (Rubeola)
Meckel Diverticulum
Mediastinitis
Medical Marijuana
Medication-Related Osteonecrosis of the Jaw
Meigs’ Syndrome
Melanoma
Meningioma
Meningitis, Bacterial
Meningitis, Fungal
Meningitis, Viral
Meniscal Tear
Menopause
Meralgia Paresthetica
Mesenteric Adenitis
Mesenteric Venous Thrombosis
Mesothelioma, Malignant
Metabolic Syndrome
Metatarsalgia
Methanol and Ethylene Glycol Poisoning
Methicillin-Resistant Staphylococcus Aureus (MRSA)
Microangiopathic Hemolytic Anemia
Microscopic Colitis (Lymphocytic Colitis)
Microsporidiosis
Migraine Headache
Mild Cognitive Impairment
Mitral Regurgitation
Mitral Stenosis
Mitral Valve Prolapse
Mixed Connective Tissue Disease
Molar Pregnancy
Molluscum Contagiosum
Monkeypox
Monoclonal Gammopathy of Renal Significance
Monoclonal Gammopathy of Undetermined Significance (MGUS)
Mononucleosis
Morton Neuroma
Motion Sickness
Mucormycosis
Multidrug-Resistant Gram-Negative Rods (MDR-GNRs)
Multifocal Atrial Tachycardia
Multiple Endocrine Neoplasia
Multiple Myeloma
Multiple Sclerosis
Multiple System Atrophy
Mumps
Muscular Dystrophy
Mushroom Poisoning
Myasthenia Gravis
Mycosis Fungoides
Myelodysplastic Syndrome
Myelomeningocele
Myocardial Infarction
Myocarditis
Myoclonus
Myofascial Pain Syndrome
Myotonia
Narcissistic Personality Disorder
Narcolepsy
Nasal Polyps
Nasopharyngeal Carcinoma
Necrotizing Fasciitis
Neonatal Abstinence Syndrome
Nephrotic Syndrome
Neuroblastoma
Neurocognitive Disorders
Neurofibromatosis
Neuroleptic Malignant Syndrome
Neuromyelitis Optica Spectrum Disorder
Neuropathic Pain
Neuropathy, Hereditary
Nocardiosis
Nonalcoholic Fatty Liver Disease
Nonallergic Rhinitis
Non-Celiac Gluten Sensitivity
Non-Hodgkin Lymphoma
Normal Pressure Hydrocephalus
Nummular Dermatitis
Obesity
Obesity-Hypoventilation Syndrome
Obsessive-Compulsive Disorder (OCD)
Obstructive Sleep Apnea
Occupational Asthma
Ocular Foreign Body
Odontogenic Infections
Opioid Overdose
Opioid Use Disorder
Oppositional Defiant Disorder (ODD)
Optic Atrophy
Optic Neuritis
Oral Cancer
Oral Hairy Leukoplakia
Orchitis
Orthostatic Hypotension
Osgood-Schlatter Disease
Osmotic Demyelinating Syndrome
Osteoarthritis
Osteochondritis Dissecans
Osteomalacia and Rickets
Osteomyelitis
Osteonecrosis
Osteoporosis
Otitis Externa
Otitis Media
Otosclerosis (Otospongiosis)
Ovarian Cancer
Ovarian Neoplasm, Benign
Ovarian Torsion
Paget Disease of Bone
Paget Disease of the Breast
Pain Management in Chronic Pain
Pancoast Tumor (Superior Pulmonary Sulcus Tumor)
Pancreatic Cancer (Exocrine)
Pancreatitis, Acute
Panic Disorder and Agoraphobia
Panniculitis
Paralytic Shellfish Poisoning
Paraneoplastic Syndromes
Paranoid Personality Disorder
Paraphilic Disorders
Parkinson Disease
Paronychia
Patellofemoral Pain Syndrome
Patent Ductus Arteriosus
Patent Foramen Ovale
Pediatric Covid-19 Disease
Pediculosis
Pedophilic Disorder
Pelvic Abscess
Pelvic Congestion Syndrome
Pelvic Fracture and Pelvic Ring Injuries
Pelvic Inflammatory Disease
Pelvic Organ Prolapse
Pelvic Pain in Women, Acute
Pemphigus Vulgaris
Penile Cancer
Peptic Ulcer Disease
Performance-Enhancing Hormone Abuse
Pericarditis
Periodic Limb Movement Disorder (PLMD)
Peripheral Artery Disease
Perirectal Abscess
Peritonitis, Secondary
Peritonsillar Abscess
Pernicious Anemia
Pertussis
Peutz-Jeghers Syndrome and Other Polyposis Syndromes
Peyronie Disease
Pharyngitis/Tonsillitis
Pheochromocytoma
Phobias
Pilonidal Disease
Pinworms
Piriformis Syndrome
Pituitary Adenoma
Pityriasis Rosea
Placenta Previa
Plantar Fasciitis
Pleural Effusion
Pleurisy
Pneumonia, Bacterial
Pneumonia, Mycoplasma
Pneumonia, Pneumocystis Jirovecii (Carinii)
Pneumonia, Viral
Pneumothorax, Spontaneous
Poison Ivy Dermatitis
Polycystic Ovary Syndrome
Polycythemia Vera
Polymyalgia Rheumatica
Porphyrias
Portal Hypertension
Portal Vein Thrombosis
Postconcussion Syndrome
Postherpetic Neuralgia
Postpartum Depression
Postpartum Hemorrhage
Postthrombotic Syndrome
Posttraumatic Stress Disorder
Postural Orthostatic Tachycardia Syndrome (POTS)
Precocious Puberty
Preeclampsia
Prelabor Rupture of Membranes
Premenstrual Syndrome
Pressure Injury
Preterm Labor
Priapism
Primary Biliary Cholangitis
Primary Central Nervous System Lymphoma
Primary Immunodeficiency Disease
Primary Myelofibrosis
Primary Ovarian Insufficiency
Primary Sclerosing Cholangitis
Progressive Supranuclear Palsy
Prolactinoma
Pronator Syndrome
Prostate Cancer
Prostatic Abscess
Prostatitis
Pruritus Ani
Pruritus Vulvae
Psittacosis
Psoriasis
Psoriatic Arthritis
Psychosis
Pulmonary Edema
Pulmonary Embolism
Pulmonary Hypertension
Pulmonary Renal Syndrome
Pulseless Electrical Activity
Pyelonephritis
Pyogenic Granuloma
Rabies
Radial Tunnel Syndrome
Radiation Exposure
Ramsay Hunt Syndrome
Raynaud Phenomenon
Reactive Arthritis (Reiter Syndrome)
Rectal Prolapse
Renal Abscess
Renal Artery Stenosis
Renal Cell Carcinoma
Renal Lupus (Lupus Nephritis)
Renal Tubular Acidosis
Renal Vein Thrombosis
Respiratory Distress Syndrome in the Neonate
Restless Legs Syndrome
Retinal Detachment
Retinal Hemorrhage
Retinal Vein Occlusion
Retinitis Pigmentosa
Retinoblastoma
Retroperitoneal Fibrosis
Retropharyngeal Abscess
Rh Incompatibility
Rhabdomyolysis
Rheumatic Fever
Rheumatoid Arthritis
Rocky Mountain Spotted Fever
Rosacea
Roseola
Rotator Cuff Disease
Rubella
Salivary Gland Neoplasms
Salmonellosis
Salt-Losing Nephropathy
Sarcoidosis
Sarcoma
Scabies
Scarlet Fever
Schistosomiasis
Schizophrenia
Sciatica
Scleritis
Scleroderma (Systemic Sclerosis)
Scoliosis
Scombroid Poisoning
Seasonal Affective Disorder
Seborrheic Dermatitis (SD)
Seizures, Generalized Tonic Clonic
Seizures, New-Onset
Sepsis
Septic Arthritis
Serotonin Syndrome
Sexual Assault
Sexual Dysfunction in Women
Sheehan Syndrome
Shift Work Disorder
Shigellosis
Short Bowel Syndrome
Short QT Syndrome
Sialadenitis
Sialolithiasis
Sick Sinus Syndrome
Sickle Cell Disease
Sideroblastic Anemia
Silicosis
Sinus Arrhythmia
Sinus Tachycardia
Sinus Venous Thrombosis
Sinusitis
Sinusoidal Obstruction Syndrome (SOS)
Sjögren Syndrome
Small Bowel Bacterial Overgrowth (SIBO)
Small Bowel Obstruction
Smoke Inhalation Injury
Snake Bites
Social Anxiety Disorder
Somatic Symptom Disorder
Southern Tick-Associated Rash Illness (STARI)
Spasticity
Spina Bifida
Spinal Cord Compression
Spinal Epidural Abscess
Spinal Stenosis, Cervical Spine
Spinal Stenosis, Lumbar
Spinocerebellar Ataxia
Spondyloarthropathies
Spontaneous Abortion
Spontaneous Bacterial Peritonitis
Sporotrichosis
Squamous Cell Carcinoma
Statin-Induced Muscle Syndromes
Status Epilepticus
Stevens-Johnson Syndrome
Stomatitis/Mucositis
Strabismus
Stroke, Acute Ischemic
Stroke, Hemorrhagic
Stroke, Secondary Prevention
Sturge-Weber Syndrome
Stuttering
Stye (Hordeolum)
Subarachnoid Hemorrhage
Subclavian Steal Syndrome
Subclinical Brain Infarction
Subdural Hematoma
Subjective Cognitive Decline
Subphrenic Abscess
Substance Use Disorder
Substance/Medication-Induced Neurocognitive Disorder
Suicide
Superior Vena Cava Syndrome
Supraventricular Tachycardia
Syncope
Syndrome of Inappropriate Antidiuresis
Synthetic Cannabinoids
Syphilis
Syringomyelia
Systemic Lupus Erythematosus
Takayasu Arteritis
Takotsubo Cardiomyopathy
Tapeworm Infestation
Tardive Dyskinesia
Tarsal Tunnel Syndrome
Temporomandibular Joint Syndrome
Tension-Type Headache
Testicular Cancer
Testicular Torsion
Tetanus
Tetralogy of Fallot
Thalassemias
Thoracic Outlet Syndrome
Thromboangiitis Obliterans
Thrombocytosis (Essential Thrombocythemia)
Thrombophlebitis, Superficial Venous
Thrombotic Thrombocytopenic Purpura
Thymoma
Thyroid Carcinoma
Thyroid Nodule
Thyroiditis
Tibial and Fibular Fractures
Tinea Capitis
Tinea Corporis
Tinea Cruris
Tinea Pedis
Tinea Unguium
Tinea Versicolor
Tinnitus
Torsade de Pointes
Tourette Syndrome
Toxic Megacolon
Toxic Shock Syndrome
Toxoplasmosis
Transfusion Reaction, Hemolytic
Transient Global Amnesia
Transient Ischemic Attack
Transverse Myelitis
Traumatic Brain Injury
Traveler Diarrhea
Trichinellosis
Tricuspid Regurgitation
Tricuspid Stenosis
Trigeminal Neuralgia
Trochanteric Pain Syndrome (Trochanteric Bursitis)
Tropical Sprue
Tuberculosis, Extrapulmonary
Tuberculosis, Pulmonary
Tuberous Sclerosis
Tularemia
Tumor Lysis Syndrome
Turner Syndrome
Typhoid Fever
Ulcerative Colitis
Ulnar Tunnel Syndrome
Unruptured Intracranial Aneurysms (Uias)
Urethritis, Gonococcal
Urethritis, Nongonococcal
Urinary Tract Infection
Urolithiasis (Nephrolithiasis)
Urticaria
Uterine Fibroids
Uterine Malignancy-Sarcomas
Uveitis
Vaccine-Induced Carditis
Vaccine-Induced Immune Thrombotic Thrombocytopenia (Vitt)
Vaginal Bleeding During Pregnancy
Vaginal Cancer
Vaginal Fistulas
Vaginitis, Estrogen-Deficient
Vaginitis, Prepubescent
Vaginitis, Trichomonas
Vaginosis, Bacterial
Vancomycin-Resistant Enterococcus (VRE)
Varicella
Varicocele
Varicose Veins
Vasculitis, Systemic
Venous Insufficiency, Chronic
Venous Ulcers
Ventricular Fibrillation
Ventricular Septal Defect
Ventricular Tachycardia
Vertebral Compression Fractures
Vestibular Neuronitis
Vestibular Schwannoma
Viral Bronchiolitis
Vitamin D Deficiency
Vitamin Deficiency (Hypovitaminosis)
Vitiligo
von Hippel-Lindau Disease
von Willebrand Disease
Vulvar Cancer
Vulvovaginal Candidiasis
Waldenström Macroglobulinemia
Warts
Wernicke Syndrome
West Nile Virus Infection
Whiplash
Wilms Tumor
Wilson Disease
Wolff-Parkinson-White Syndrome
Yellow Fever
Zenker Diverticulum
Zika Virus
I. Bonus Content
Akathisia
Anthrax
Antibody-Mediated Autoimmune Encephalitis
Basic Calcium Phosphate Deposition
Biceps Tendonitis
Brucellosis
Burning Mouth Syndrome
Chikungunya
Cogan Syndrome
Connective Tissue Disease-Associated Vasculitis
Cyanosis
Digoxin Overdose
Diphtheria
Drug Use Disorder
Dyspareunia
Enthesitis Related Arthritis
Erythema Elevatum Diutinum
Felty Syndrome
Ganglia
Hereditary Hemorrhagic Telangiectasia
Herpes Simplex Keratitis
Hypocomplementemic Urticarial Vasculitis
ID Reaction
Igg4-Related Disease
Keloid
Knee Sprain
Korsakoff Psychosis
Lemierre Syndrome
Levator Ani Syndrome
Limbic Predominant Age-Related TDP-43 Encephalopathy
Liver Transplantation
Ludwig’s Angina
Lung Transplantation
Middle East Respiratory Syndrome (MERS)
Myxedema Coma
Necrotizing Autoimmune Myopathy (Nam)
Nephrogenic Systemic Fibrosis
Over-the-Counter Medication in Pregnancy
Pancreas Transplantation
Paroxysmal Cold Hemoglobinuria
Paroxysmal Nocturnal Hemoglobinuria
Pediatric Medication Errors
Poliomyelitis
Polypharmacy
Postpoliomyelitis Syndrome
Premenstrual Dysphoric Disorder
Primary Angiitis of the Central Nervous System
Primary Chest Wall Tumors
Progressive Multifocal Leukoencephalopathy (PML)
Pure Red Cell Aplasia
Pyoderma Gangrenosum
Q Fever
Quadrilateral Space Syndrome
Radiation-Induced Lung Injury
Relapsing Polychondritis
Reye Syndrome
Rumination Syndrome
Slipped Capital Femoral Epiphysis (SCFE)
Smallpox
Somatic Cough Syndrome and Tic Cough
Stickler Syndrome
Systemic Juvenile Idiopathic Arthritis
Tabes Dorsalis
Thyrotoxic Storm
Torticollis
Toxic Epidermal Necrolysis
Tracheitis
Tricyclic Antidepressant Overdose
Trigger Finger
Upper Extremity Deep Vein Thrombosis
Whipple Disease
II. Differential Diagnosis
Abdominal Distention
Abdominal Pain, Adolescence
Abdominal Pain, Childhood
Abdominal Pain, Chronic Lower
Abdominal Pain, Diffuse
Abdominal Pain, Epigastric
Abdominal Pain, Extraabdominal and Systemic Causes
Abdominal Pain, Infancy
Abdominal Pain, Left Lower Quadrant
Abdominal Pain, Left Upper Quadrant
Abdominal Pain, Nonsurgical Causes
Abdominal Pain, Periumbilical
Abdominal Pain, Poorly Localized
Abdominal Pain, Post-Cholecystectomy
Abdominal Pain, Pregnant Patient
Abdominal Pain, Right Lower Quadrant
Abdominal Pain, Right Upper Quadrant
Abdominal Pain, Suprapubic
Abdominal Wall Masses
Abortion, Recurrent
Acalculous Gallbladder Disease
Aches and Pains, Diffuse
Acidosis, Hyperchloric Metabolic
Acidosis, Lactic
Acidosis, Metabolic
Acidosis, Respiratory
Acquired Iron Overload
Acute Kidney Injury and Liver Disease, Causes , 9
Acute Kidney Injury Due to Intrinsic Renal Diseases
Acute Kidney Injury in Specific Clinical Settings
Acute Kidney Injury, HIV Patient, Causes , 9
Acute Kidney Injury, Pigment Induced
Acute Liver Failure-Differential Diagnosis
Acute Lung Injury, Disease and Disorder Associations
Acute Respiratory Distress in Pregnancy
Acute Scrotum
Adnexal Mass
Adrenal Calcifications
Adrenal Cystic Lesions
Adrenal Insufficiency, Critically Ill Patient
Adrenal Masses
Adrenal Pseudomasses
Adrenergic Toxidrome
Adrenocortical Hyperfunction
Adrenocortical Hypofunction
Adverse Food Reactions, Differential Diagnosis
Adynamic Ileus
Aerophagia (Belching, Eructation)
Agitation and Confusion
Air-Space Opacification on X-Ray
Airway Obstruction, Central
Airway Obstruction, Pediatric Age
Akinetic/Rigid Syndrome
Alcohol-Related Seizures
Alkalosis, Metabolic
Alkalosis, Respiratory
Alopecia and Hypotrichosis, in Children and Adolescents
Alopecia, Drug-Induced
Alopecia-Differential Diagnosis
Alveolar Consolidation
Alveolar Hemorrhage
Amenorrhea-Differential Diagnosis
Amnesia
Amniotic Fluid Alpha-Fetoprotein Elevation
Anal Abscess and Fistula
Anal Incontinence
Anaphylactoid Syndrome of Pregnancy
Anaphylaxis Mimics
Anaphylaxis, Pathophysiologic Classification
Anaphylaxis-Differential Diagnosis
Androgen Excess, Reproductive-Age Woman
Androgen Resistance
Anemia, Aplastic
Anemia, Aplastic, Due to Drugs and Chemicals
Anemia, Causes in Pregnancy
Anemia, Drug-Induced
Anemia, Hypochromic
Anemia, Low Reticulocyte Count
Anemia, Megaloblastic
Anemia, Microcytic, Hypochromic, Differential Diagnosis
Anergy, Cutaneous
Aneurysms, Thoracic Aorta
Anhidrosis
Anion Gap Acidosis
Anion Gap Increase
Anisocoria
Ankle and Foot Pain
Anorectal Abscess
Anorectal Disease, AIDS Patient
Anorexia
Anovulation
Anovulation, Hypothalamic Pituitary Causes
Aortic Arch Segment Abnormalities
Appendicitis, Differential Diagnosis in Pregnancy
Appetite Loss in Infants and Children
Aqueductal Stenosis, Congenital
Arterial Occlusion
Arthritis and Abdominal Pain
Arthritis and Diarrhea
Arthritis and Eye Lesions
Arthritis and Heart Murmur
Arthritis and Muscle Weakness
Arthritis and Rash
Arthritis and Subcutaneous Nodules
Arthritis and Weight Loss
Arthritis or Extremity Pain, in Children and Adolescents
Arthritis, Axial Skeleton
Arthritis, Chronic, Monoarticular or Oligoarticular, Infectious Causes
Arthritis, Fever, and Rash
Arthritis, Monoarticular and Oligoarticular
Arthritis, Pediatric Age
Arthritis, Polyarticular
Ascending Aorta, Abnormal Segment
Ascites-Differential Diagnosis
Aspiration Lung Injury, Children
Aspiration, Chronic
Asthenia
Asthma, Childhood
Ataxia in Childhood
Ataxia, Acute or Recurrent
Ataxia, Cerebellar, Adult Onset
Ataxia, Cerebellar, Children
Ataxia, Chronic or Progressive
Ataxia, Toxic Causes
Ataxia-Differential Diagnosis
Atelectasis-Differential Diagnosis
Atrial Enlargement, Left Atrium
Atrial Enlargement, Right Atrium
Atypical Lymphocytosis, Heterophil Negative, Infectious Causes
AV Nodal Block
Back Pain
Back Pain, Children and Adolescents
Back Pain, Low, Acute
Back Pain, Viscerogenic Origin
Bacterial Overgrowth, Small Intestine
Ballism
Benign Sleep Myoclonus of Infancy (Bsmi)
Bile Duct, Dilated
Biliary Obstruction
Biliary Tree, Reflux of Gas or Bowel
Bladder (Urinary) Wall Thickening
Bleeding, GI in Patients with AIDS
Bleeding, Lower GI
Bleeding, Lower GI, Pediatric
Bleeding, Rectal
Bleeding, Third Trimester
Bleeding, Upper GI
Bleeding, Upper GI, Pediatric
Bleeding, Vaginal, Nonpregnant Female
Blindness, Geriatric Age
Blindness, Monocular, Transient
Blindness, Pediatric Age
Blisters, Subepidermal
Bone and/or Soft Tissue Hypertrophy
Bone Density, Decreased, Generalized
Bone Density, Decreased, Localized
Bone Disease, Proliferative
Bone Lesions, Preferential Site of Origin
Bone Marrow Failure Syndromes, Inherited
Bone Marrow Fibrosis
Bone Mass, Low
Bone Mineral Density, Increased
Bone Pain
Bone Resorption
Bow Legs (Genu Varum), Classification
Bowel Wall Thickening
Brachycardia, ICU Patient
Bradycardia, Sinus
Brain Mass
Brain Tumors, Children
Breast Inflammatory Lesion
Breast Mass
Breast Mass, Adolescents
Breath Odor
Breathing Disorders, Sleep Related
Breathing, Noisy
Bronchial Obstruction
Bronchopleural Fistula
Brown Urine
Bruising
Bullous Diseases
Café-Au-Lait Spots
Calcification on Chest X-Ray
Calcifications, Abdominal, Nonvisceral on X-Ray
Calcifications, Adrenal Gland on X-Ray
Calcifications, Cardiac on X-Ray
Calcifications, Cutaneous
Calcifications, Genital Tract, Female on X-Ray
Calcifications, Liver on X-Ray
Calcifications, Pancreas on X-Ray
Calcifications, Spleen on X-Ray
Calcifications, Valvular on X-Ray
Calcium Stones
Cardiac Arrest, Nontraumatic
Cardiac Death, Sudden
Cardiac Enlargement
Cardiac Masses
Cardiac Murmurs
Cardiac Tumors
Cardioembolism
Cardiogenic Shock
Cataplexy
Cataracts, Pediatric Age
Cavitary Lesion on Chest X-Ray
Cerebral Infarction Secondary to Inherited Disorders
Cerebral Vasculitis, Causes
Cerebrovascular Disease, Ischemic
Cervical Instability, Pediatric
Chest Pain, Children
Chest Pain, Nonpleuritic
Chest Pain, Pleuritic
Chest Wall Tumors, Primary
Chiasmal Disease
Childhood Eosinophilia
Cholangitis, Acute
Cholestasis
Cholestasis, Neonatal and Infantile, Differential Diagnosis
Cholestatic Liver Enzyme Elevation, Extrahepatic Causes
Cholestatic Liver Enzyme Elevation, Intrahepatic Causes
Chorea, Pediatric Patient
Chorea-Differential Diagnosis
Choreoathetosis
Chronic Pneumonia
Chylothorax
Cloudy Urine
Clubbing
Cobalamin Deficiency
Cognitive Impairment
Colic, Acute Abdominal
Colon Ischemia
Color Changes, Cutaneous
Coma
Coma, Normal Computed Tomography
Coma, Pediatric Population
Compression Syndromes, Neurovascular Causes
Congestive Heart Failure and Cardiomyopathy
Congestive Heart Failure, Infant
Conjunctival Neoplasm
Connective Tissue Disorders, Hereditary
Consciousness Impairment, Acute, in Critically Ill Patient
Constipation, Adult Patient
Constipation, Pediatric Patient
Constipation-Differential Diagnosis
COPD Decompensation
Corneal Clouding, Pediatric Age
Corneal Sensation, Decreased
Cough
Cough, Chronic, Adult Patient
Cough, Chronic, Pediatric Patient
Cramps
Creeping Eruption, Travelers
Cutaneous Calcifications
Cutaneous Infections, Athletes
Cutaneous Ulcers, Travelers
Cyanosis, Central, Secondary to Cardiac Defect
Cyanosis, Neonatal
Cyanosis-Differential Diagnosis
Cytopenias, Older Adults
Daytime Sleepiness
Deafness, Acquired
Delayed Passage of Meconium
Delirium and Agitation, Drug-Induced
Delirium, Agitated
Delirium, Dialysis Patient
Delirium-Differential Diagnosis
Dementia, Adolescent Patient
Dementias, Nondegenerative
Demyelinating Diseases
Developmental Delay, No Regression
Dextrocardia
Diaper Dermatitis
Diaphragm Elevation, Bilateral, Symmetrical
Diaphragm Elevation, Unilateral
Diaphragm Weakness and Paralysis
Diarrhea in Patients with AIDS
Diarrhea, Acute Watery and Bloody
Diarrhea, Critically Ill Patient
Diarrhea, Infectious
Diarrhea, Noninfectious
Diarrhea, Pediatric Patient
Diarrhea, Tube-Fed Patient
Diffuse Parenchymal Lung Disease, Drug-Induced
Diplopia, Binocular
Diplopia, Monocular
Diplopia, Vertical
Dizziness
Dorsal Midbrain Syndrome
Drug-Induced Lupus
Dry Eye
Dysentery and Inflammatory Enterocolitis
Dyslipoproteinemias, Secondary Causes
Dyspareunia-Differential Diagnosis
Dyspepsia and Pyrosis, Differential Diagnosis During Pregnancy
Dysphagia, Esophageal
Dysphagia, Oropharyngeal
Dysphagia-Differential Diagnosis
Dyspnea
Dystonia, Pediatric Patient
Dysuria
Earache
Ectopic ACTH Secretion
Edema of Lower Extremities
Edema, Children
Edema, Generalized
Edema, Leg, Unilateral
Ejection Sound or Click
Elbow Pain
Elevated Hemidiaphragm
Emboli, Arterial
Emesis, Pediatric Age
Encephalomyelitis, Nonviral Causes
Encephalopathy, Hypertensive
Encephalopathy, Metabolic
Encephalopathy, Progressive, Onset After Age 2
Encephalopathy, Progressive, Onset Before Age 2
Endometrial Thickening
Enteric Fever
Enthesopathy
Eosinophilia, Disease Associations
Eosinophilia, GI
Eosinophilia, Parasitic Causes
Eosinophilic Lung Disease
Epigastric Pain
Epilepsy
Epilepsy Mimics, Pediatric Patient
Epilepsy Syndromes, Age Specific
Epistaxis-Differential Diagnosis
Erectile Dysfunction, Organic
Erosions, Genitalia
Erythematous Annular Skin Lesions
Erythrocytosis
Erythroderma
Esophageal Perforation
Esophageal Strictures
Esophageal Tumors, Benign
Esophagitis
Esophagus, Systemic Diseases
Esotropia
Exanthems
Eye Pain
Eyelid Neoplasm
Eyelid Retraction
Facial Pain
Facial Paralysis
Facial Weakness, Congenital
Facial Weakness, Postnatal
Failure to Thrive
Fatigue
Fatigue, Chronic
Fatty Liver
Fever and Cardiopulmonary Failure
Fever and Jaundice
Fever and Lymphadenopathy
Fever and Rash
Fever and Rash in ICU
Fever in Returning Travelers and Immigrants
Fever of Unknown Origin, Pediatric Patient
Fever with Maculopapular or Petechial Rash
Fever, Abdominal Pain, Jaundice in Pediatric Patient
Fever, after Travel to the Tropics
Fever, Common Infectious Causes
Fever, Drug-Induced
Fever, Hospital Associated
Fever, Noninfectious Causes
Fever, Pediatric, Acute
Fever, Periodic
Fever, Postoperative
Fever, Postpartum
Fever, Recurrent or Periodic, in Children
Fevers Prone to Relapse
Finger Lesions, Inflammatory
Flaccid Paralysis, Acute, Differential Diagnosis
Flatulence and Bloating
Floppy Infant
Flushing
Folate Deficiency
Foot and Ankle Pain
Foot and Ankle Pain, in Different Age Groups
Foot Dermatitis
Foot Lesion, Ulcerating
Foot Pain
Foot Pain by Age
Footdrop
Forearm and Hand Pain
Forearm Fractures
Gait Abnormality
Galactorrhea-Differential Diagnosis
Gallbladder Sonographic Nonvisualization
Gallbladder Wall Thickening
Gallstone Disease, Pediatric Patient
Gastric Dilation
Gastric Emptying, Delayed
Gastric Emptying, Rapid
Gastrointestinal Bleeding, Pediatric Patient
Gastrointestinal Obstruction, Pediatric Patient
Gastrointestinal Symptoms in Children, Nondigestive Causes
Gaze Palsies
Genital Discharge, Female
Genital Lesions, Infectious Causes
Genital Lesions, Noninfectious Causes
Genital Sores
Glomerulonephritis Associated with Malignancy
Glomerulonephritis, Rapidly Progressive
Glomerulopathies, Thrombotic, Microangiopathic
Glomerulosclerosis, Focal Segmental
Glossodynia
Glucocorticoid Deficiency
Goiter
Granulomatous Dermatitides
Granulomatous Disorders
Granulomatous Liver Disease
Green or Blue Urine
Groin and Scrotal Masses
Groin Lump
Groin Masses
Groin Pain
Groin Pain, Active Patient
Groin Pain, Athletes
Gynecomastia-Differential Diagnosis
Hair Loss
Halitosis
Hallucinations, Visual, Neurologic Causes
Hand Pain and Swelling
Head and Neck, Soft Tissue Masses
Headache
Headache and Facial Pain
Headache, Acute
Headache, Chronic
Hearing Impairment and Deafness
Hearing Loss, Acute
Heart Disease, Traumatic Causes
Heart Failure with Preserved Left Ventricular Ejection Fraction
Heart Failure, Acute
Heart Failure, Chronic
Heart Failure, Congenital Heart Disease Causes
Heart Failure, Pathogenic Causes
Heart Failure, Pregnancy
Heartburn and Indigestion
Heat Stroke
Heel Pain
Heel Pain, Plantar
Hemarthrosis
Hematemesis
Hematuria
Hematuria, Differential Based on Age and Sex
Hematuria, in Children
Hemiballism
Hemiparesis/Hemiplegia
Hemiplegia, Acute
Hemiplegia, Progressive
Hemolysis and Hemoglobinuria
Hemolysis, Intravascular
Hemolysis, Mechanical
Hemolysis, Oxidative, Drug-Induced
Hemoperitoneum
Hemoptysis/Pulmonary Hemorrhage
Hemoptysis-Differential Diagnosis
Hemorrhagic Cystitis
Hepatic Cysts
Hepatic Dysfunction, Postoperative
Hepatic Granulomas
Hepatitis, Acute
Hepatitis, Chronic
Hepatitis, in Children
Hepatomegaly
Hepatomegaly, by Shape of Liver
Hermaphroditism
Herniation Syndromes
Hiccups
Hilar and Mediastinal Lymph Node Enlargement
Hip Pain Without Obvious Fracture
Hip Pain, Children
Hip Pain, Differential Diagnosis
Hip Pain, in Different Age Groups
Hirsutism-Differential Diagnosis
HIV Infection, Anorectal Lesions
HIV Infection, Chest Radiographic Abnormalities
HIV Infection, Cognitive Impairment
HIV Infection, Cutaneous Manifestations
HIV Infection, Esophageal Disease
HIV Infection, Hepatic Disease
HIV Infection, Lower GI Tract Disease
HIV Infection, Musculoskeletal Disorders
HIV Infection, Ocular Manifestations
HIV Infection, Pulmonary Disease , 42
Hoarseness
Hydrocephalus
Hypercalcemia
Hypercalcemia, Malignancy-Induced
Hypercapnia, Persistent
Hypercoagulable State, Associated Disorders
Hypergastrinemia
Hyperhidrosis-Differential Diagnosis
Hyperkalemia in Children
Hyperkalemia, Drug-Induced
Hyperkalemia-Differential Diagnosis
Hyperkinetic Movement Disorders
Hypermagnesemia
Hyperostosis, Cortical Bone
Hyperphosphatemia in Children
Hyperphosphatemia-Differential Diagnosis
Hyperpigmentation
Hyperprolactinemia
Hypersplenism, Associated Conditions
Hypertension, Adrenocortical Causes
Hypertension, Endocrine Causes
Hypertension, in Children
Hypertension, Resistant
Hypertensive Crisis Syndromes
Hypertensive Encephalopathy
Hypertrichosis
Hypertrichosis, Congenital, Generalized
Hypertrophic Osteoarthropathy-Differential Diagnosis
Hyperventilation, Persistent
Hypocalcemia
Hypocalcemia in Pediatric Patients
Hypocapnia
Hypoglycemia, in Infants and Children
Hypoglycemia-Differential Diagnosis
Hypogonadism-Differential Diagnosis
Hypokalemia
Hypokalemia in Pediatric Patients
Hypomagnesemia in Pediatric Patients
Hypomagnesemia-Differential Diagnosis
Hyponatremia-Differential Diagnosis
Hypophosphatemia in Pediatric Patients
Hypophosphatemia-Differential Diagnosis
Hypopigmentation
Hypotension, Postural
Hypothyroidism, Congenital
Hypotonia, Infantile, Differential Diagnosis
Hypotonic Polyuria
Hypovolemia
Hypovolemic Shock, Pediatric Population
Hypoxemia and Hypercapnic Respiratory Failure
Iliac Fossa Pain, Left Sided
Iliac Fossa Pain, Right Sided
Immunodeficiency, Congenital (Primary)
Impaired Consciousness and Coma
Impotence
Incontinence, Fecal
Infectious Diarrhea in Tropics
Infertility, Female
Infertility, Male
Insomnia-Differential Diagnosis
Intestinal Pseudoobstruction
Intraabdominal Mass Lesion, Neonatal
Intracerebral Hemorrhage, Nonhypertensive Causes
Intracranial Lesion
Intracranial Pressure Increase
Intracranial Tumors
Intraocular Neoplasm
Iron Metabolism Disorders
Iron Overload
Ischemia, Upper Extremity, Causes
Ischemic Bowel Disease
Ischemic Colitis, Nonocclusive
Ischemic Necrosis of Cartilage and Bone
Jaundice
Jaundice in Pregnancy
Jaundice, Classification
Jaundice, Neonatal
Joint and Periarticular Pain, Acute
Joint Pain, Anterior Hip, Medial Thigh, Knee
Joint Pain, Hip, Lateral Thigh
Joint Pain, Polyarticular
Joint Pain, Posterior Hips, Thigh, Buttocks
Joint Swelling
Jugular Venous Distention
Juvenile Arthritis
Keratitis, Noninfectious
Kidney Cystic Disease
Kidney Enlargement, Unilateral
Kidney Injury, Cancer Patients
Knee Pain
Knee Pain, in Different Age Groups
Large Bowel Stricture
Left Axis Deviation
Left Bundle Branch Block
Leg Cramps, Nocturnal
Leg Length Discrepancies
Leg Movement When Standing, Involuntary
Leg Pain with Exercise
Leg Pain, Exertional
Leg Swelling
Leg Ulcers
Leptomeningeal Metastases
Lethargy and Coma
Leukocoria
Lid Retraction, Causes
Light-Near Dissociation
Limb Ischemia, Acute, Nontraumatic
Limp
Limping, Pediatric Age
Livedo Reticularis
Liver Disease, Pregnancy
Liver Lesions, Benign, Often Confused with Malignancy
Lower GI Ulcerative Lesions
Low-Voltage ECG
Lumbar Spine, Viscerogenic Pain Referred to Lumbar Spine
Lung Cancer, Occupational Causes
Lung Disease and Gastrointestinal and Liver Involvement
Lung Disease and Renal Involvement
Lung Disease and Skin and Subcutaneous Lesions
Lung Disease with Bone, Joint, Nerve, and Muscle Involvement
Lung Tumors, Benign
Lung Volumes in Diffuse Lung Disease
Lymphadenopathy
Lymphangitis-Differential Diagnosis
Lymphedema-Differential Diagnosis
Lymphocytosis, Atypical
Macrocephaly
Macrothrombocytopenia, Inherited
Macular Crystals
Madarosis
Malabsorption Syndrome in Tropics
Malabsorption-Differential Diagnosis
Malnutrition, Causes in Early Life
Mastalgia, Medication Induced
Mediastinal Compartments, Anatomy and Pathology
Mediastinal Masses or Widening on Chest X-Ray
Mediastinal Masses, Sites of Origin
Mediastinitis, Acute
Melanonychia
Memory Loss Symptoms, Elderly Patients
Meningitis, Chronic
Meningitis, Recurrent
Mental Status Changes and Coma
Mental Status Changes and Coma, Metabolic and Systemic Causes
Mental Status Changes and Coma, Structural Causes
Mesenteric Arterial Embolism, Associated Factors
Mesenteric Ischemia, Nonocclusive
Mesenteric Venous Thrombosis-Differential Diagnosis
Metastatic Neoplasms
Methemoglobinemia, Drug-Induced
Microcephaly
Micropenis
Miosis
Monoarthritis, Acute
Monocytosis
Mononeuropathy
Mononeuropathy Multiplex
Mononeuropathy, Isolated
Mononucleosis, Monospot Negative
Monoplegia, Acute
Movement Disorder, Hyperkinetic
Movement Disorder, Pediatric Patient
Movement Disorders and Cognitive Impairment
Movement Disorders, Neuroleptic-Induced
Multivalvular Heart Disease
Muscle Discomfort Due to Drugs and Toxins
Muscle Disease
Muscle Weakness
Muscle Weakness, Lower Motor Neuron Versus Upper Motor Neuron
Musculoskeletal Benign Tumors and Tumorlike Lesions
Musculoskeletal Malignant Tumors and Tumorlike Lesions
Mydriasis
Myelin Diseases
Myelitis
Myelopathy and Myelitis
Myocardial Ischemia
Myoclonus, Drug-Induced
Myoclonus, Pediatric Patient
Myoclonus-Differential Diagnosis
Myopathic Pain Syndromes
Myopathic Syndromes, Drug-Induced
Myopathies Associated with Rest Pain
Myopathies, HIV Associated
Myopathies, Infectious
Myopathies, Inflammatory
Myopathies, Metabolic
Myopathies, Toxic
Myopathy, Drug-Induced
Myositis, Infectious Causes
Myositis, Inflammatory
Nail Clubbing
Nail Koilonychia
Nail Onycholysis
Nail Pitting
Nail Splinter Hemorrhage
Nail Striations
Nail Telangiectasia
Nail Whitening (Terry Nails)
Nail Yellowing
Nail, Horizontal White Lines (Beau Lines)
Nasal and Paranasal Sinus Tumors
Nasal Blockage
Nasal Masses, Congenital
Nasopharyngeal Tumors
Nausea and Vomiting
Nausea and Vomiting, Causes During Pregnancy
Nausea and Vomiting, Chronic
Neck and Arm Pain
Neck Mass
Neck Pain
Neck Pain from Rheumatologic Disorders
Neck Pain, Nonmuscular Causes
Necrotizing Pneumonias
Neonatal Seizures Mimics
Neoplastic Lesions, Lumbosacral Spine
Nephritic Syndrome, Acute
Nephrocalcinosis
Nephropathy, Obstructive
Neurogenic Bladder
Neurologic Deficit, Focal
Neurologic Deficit, Multifocal
Neuromuscular Junction Dysfunction
Neuronopathies, Sensory (Ganglionopathies)
Neuropathic Bladder (Head)
Neuropathies with Autonomic Nervous System Involvement
Neuropathies with Facial Nerve Involvement
Neuropathies, Autonomic, Peripheral, Causes
Neuropathies, Painful
Neuropathies, Peripheral, Asymmetrical Proximal/Distal
Neuropathies, Sensory Ataxic
Neuropathies, Small Fiber
Neuropathies, Toxic and Metabolic
Neutropenia with Decreased Marrow Reserve
Neutropenia with Normal Marrow Reserve
Neutropenia, Drug-Induced
Neutropenia, in Childhood
Neutrophilia
Nipple Discharge
Nipple Lesions
Nodular Lesions, Skin
Nodules, Painful
Nystagmus
Nystagmus, Downbeat
Nystagmus, Monocular
Ocular Motor Apraxia, Associated Disorders
Odynophagia
Olfactory Function Impairment
Opacification of Hemidiaphragm on X-Ray
Ophthalmoplegia
Ophthalmoplegia and Gaze Palsies
Ophthalmoplegia, Acute, Bilateral
Ophthalmoplegia, Acute, Unilateral
Ophthalmoplegia, Chronic
Ophthalmoplegia, Combined Vertical Gaze
Ophthalmoplegia, Internuclear
Ophthalmoplegia, Total
Opsoclonus
Optic Atrophy-Differential Diagnosis
Optic Disc Elevation
Optic Disc Swelling
Oral Mucosa, Erythematous Lesions
Oral Mucosa, Pigmented Lesions
Oral Mucosa, Punctate Erosive Lesions
Oral Mucosa, White Lesions
Oral Soft Tissue Tumors
Oral Ulcers, Acute
Oral Vesicles and Ulcers
Orbital Inflammation
Orbital Lesions, Calcified
Orbital Lesions, Cystic
Orbital Neoplasms, Malignant
Orgasm Dysfunction
Orofacial Pain
Osteolytic Benign Bone Lesions, Multiple
Osteomyelitis, Pediatric Patient
Osteoporosis in Children
Osteoporosis, Secondary Causes
Osteosclerosis, Diffuse
Osteosclerotic Benign Bone Lesions, Multiple
Ovarian Enlargement, Nonneoplastic
Ovulatory Dysfunction
Pain Syndromes Without Chronic Myopathy
Pain, Midfoot
Pain, Plantar Aspect, Heel
Pain, Posterior Heel
Palindromic Rheumatism
Palmoplantar Hyperkeratosis
Palpable Gallbladder
Palpitations
Pancoast Syndrome
Pancreatic Calcifications
Pancreatic Cystic Lesions
Pancreatic Solid Lesions
Pancreatitis, Acute, in Children
Pancreatitis, Drug-Induced
Pancytopenia
Pancytopenia Syndrome, Inherited
Papilledema
Papulosquamous Diseases
Paralysis and Muscular Rigidity, Drug-Induced
Paralytic Ileus
Paranasal Sinus Malignancies
Paraneoplastic Neurologic Syndromes
Paraneoplastic Syndromes, Endocrine
Paraneoplastic Syndromes, Nonendocrine
Paraparesis
Paraparesis, Acute or Subacute
Paraparesis, Chronic Progressive
Paraparesis, Painless
Paraplegia
Parasellar Masses
Paresthesias
Parkinsonism
Parkinsonism and Other Acute Extrapyramidal Reactions, Drug-Induced
Parkinsonism-Plus Syndromes
Parotid Swelling
Pelvic Avulsion Fractures
Pelvic Mass
Pelvic Pain, Causes in Women
Pelvic Pain, Chronic
Pelvic Pain, Cyclic and Acyclic
Pelvic Pain, Genital Origin
Pelvic Pain, Nonpregnant Female
Penile Rash
Perianal Pain
Pericardial Effusion
Periodic Paralysis, Hyperkalemic
Periodic Paralysis, Hypokalemic
Peripheral Arterial Disease, Nonatherosclerotic Causes
Peripheral Inflammatory Arthritis
Peritoneal Carcinomatosis
Peritoneal Effusion
Periumbilical Swelling
Pharyngeal Obstruction, Causes
Pheochromocytoma-Type Spells
Photodermatoses
Photosensitivity
Pigmenturia
Pituitary Insufficiency, Acquired
Pituitary Region Tumors
Platelet Dysfunction, Drug-Induced
Pleural Effusions
Pleural Effusions, Malignancy-Associated
Pleural Hyperplasia
Pleural Masses
Pneumatosis Intestinalis in Neonate and Older Child
Pneumonia Mimics
Pneumonia, Chronic
Pneumonia, Nonresponding, Causes
Pneumonia, Recurrent
Pneumoperitoneum, Neonatal
Pneumothorax, in Children
Poliosis
Polycythemia
Polycythemia, Relative Versus Absolute
Polycythemias, Differential Diagnosis
Polymyalgias
Polyneuropathies with Predominantly Upper Limb Motor Involvement
Polyneuropathy
Polyneuropathy, Demyelinating
Polyneuropathy, Distal Sensorimotor
Polyneuropathy, Drug-Induced
Polyneuropathy, Symmetric
Polyuria
Popliteal Swelling
Portal Hypertension-Differential Diagnosis
Postmenopausal Bleeding
Postural Hypotension, Nonneurologic Causes
Posturing Abnormality
Premature Graying, Scalp Hair
Premature Ventricular Contractions and Ventricular Tachycardia
Prepubertal Bleeding Without Breast Development
Presacral Masses in Children
Primary Angiitis of CNS
Prolonged QT Syndromes
Proptosis
Proptosis and Palatal Necrotic Ulcers
Protein-Losing Enteropathy, Pediatric Age
Proteinuria
Pruritus
Pruritus Ani-Differential Diagnosis
Pruritus Vulvae-Differential Diagnosis
Pseudocellulitis
Pseudocyanosis, Etiology
Pseudohermaphroditism, Female
Pseudohermaphroditism, Male
Pseudoinfarction
Psychosis, Medical Disorders-Induced
Psychosis, Medication-Induced
Psychosis-Differential Diagnosis
Ptosis
Puberty, Delayed
Puberty, Precocious
Pulmonary Artery Segment Abnormalities
Pulmonary Crackles
Pulmonary Cysts on X-Ray
Pulmonary Edema, Noncardiogenic
Pulmonary Eosinophilia
Pulmonary Hemorrhage, Diffuse, Alveolar
Pulmonary Hemorrhage, Focal
Pulmonary Hemorrhage, Pediatric Age
Pulmonary Hemorrhagic Syndromes, Diffuse
Pulmonary Infiltrates Associations
Pulmonary Infiltrates, Immunocompromised Host
Pulmonary Lesions
Pulmonary Mass, Solitary, Causes
Pulmonary Mass, Solitary, Mimics
Pulmonary Nodule, Solitary
Pulmonary Nodules, Multiple in Patient with Prior Cancer
Pulmonary Opacities
Pulmonary-Renal Syndromes, Causes
Pulsatile Tinnitus
Pulseless Electrical Activity-Differential Diagnosis
Pupillary Dilatation, Poor Response to Darkness
Purpura
Purpura, Nonpalpable
Purpura, Nonpurpuric Disorders Simulating Purpura
Purpura, Palpable
QT Interval Prolongation
Radiation-Induced Neoplasms
Rectal Mass, Palpable
Rectal Pain
Red Blood Cell Aplasia, Acquired, Etiology
Red Blood Cell Fragmentation Hemolysis, Causes
Red Eye
Red Eye, Acute
Red Hot Joint
Red Urine
References
Renal Allograft Dysfunction
Renal Artery Occlusion, Causes
Renal Colic
Renal Cystic Disorders
Renal Disease, Skin Manifestations
Renal Failure, Acute, Pigment-Induced
Renal Failure, Chronic
Renal Failure, Intrinsic or Parenchymal Causes
Renal Failure, Postrenal Causes
Renal Failure, Prerenal Causes
Renal Infarction
Renal Parenchymal Disease, Chronic
Renal Vein Thrombosis, Causes
Respiratory Distress in the Newborn, Causes
Respiratory Dysfunction Associated with Central Nervous System
Respiratory Dysfunction Associated with Peripheral Nervous System
Respiratory Failure, Hypoventilatory
Respiratory Muscle Weakness
Retinopathy, Hypertensive
Rhinitis
Rhinitis, Chronic
Rhinosinusitis, Differential Diagnosis
Rib Defects on X-Ray
Rib Notching on X-Ray
Right Axis Deviation
Saccadic Intrusions and Oscillations
Salivary Gland Enlargement
Salivary Gland Secretion, Decreased
Scleroderma-Like Syndromes
Scleroderma-Like Syndromes, Drug-Induced
Scrotal Calcifications
Scrotal Masses, Boys and Adolescents
Scrotal Pain
Scrotal Pain, Adolescent or Pediatric Patient
Scrotal Swelling
Seizure
Seizure Mimics
Seizure, Pediatric
Seizures, Neonatal Peak Time of Onset
Seizures, Neonatal, Due to Neurocutaneous Disorders
Sexual Differentiation Abnormalities
Sexual Dysfunction, Female
Sexual Precocity
Sexually Transmitted Diseases, Anorectal Region
Shoulder Pain
Shoulder Pain by Location
Shoulder Pain, in Different Age Groups
Sinovenous Occlusive Disease, Intracranial
Sinus Node Dysfunction
Sinus of Valsalva Aneurysms
Sinus Ostial Obstruction
Sinus Tachycardia-Differential Diagnosis
Skin and Renal
Skin Induration, Chronic
Skin, Thickened and Tethered
Sleep-Related Hallucinations
Sleeptalking
Small Bowel Masses
Small Bowel Obstruction-Differential Diagnosis
Small Intestine Ulceration
Smell Disturbance
Sodium Retention, Renal Causes
Soft Tissue Mass Mimicking Malignancy
Soft Tissue Tumors, Pediatric Patients
Sore Throat
Spastic Paraplegias
Spinal Cord Compression, Epidural
Spinal Cord Dysfunction
Spinal Cord Dysfunction, Nontraumatic
Spinal Cord Ischemic Syndromes
Spinal Paraplegia
Spinal Tumors
Splenic Cysts, Classification
Splenic Masses, Focal Solid
Splenic Nodules
Splenic Tumors, Classification
Splenomegaly
Splenomegaly and Hepatomegaly
Splenomegaly and Hypersplenism
Splenomegaly, Children
Spontaneous Pneumothorax
ST Segment Elevations, Nonischemic
Statural Overgrowth
Steatohepatitis
Steatosis, Macrovesicular and Microvesicular
Sterile Pyuria
Stomatitis, Bullous
Stridor in Neonates
Stridor, Pediatric Age
Stroke
Stroke, Pediatric Age
Stroke, Young Adult, Causes
ST-Segment Depression, Noncoronary Causes
ST-Segment Elevation
Sudden Cardiac Death
Sudden Death, Pediatric Age
Sudden Death, Young Athlete
Superior Vena Cava Segment Abnormalities
Swollen Limb
Sympathomimetic Toxicity
Tall Stature
Tardive Dyskinesia-Differential Diagnosis
Taste and Smell Loss
Telangiectasia
Tendinopathy
Testicular Cystic Lesions
Testicular Failure
Testicular Pain
Testicular Size Variations
Tetanus-Differential Diagnosis
Thoracic Aortic Aneurysms
Thrombocytopenia
Thrombocytopenia in Newborns, Differential Diagnosis
Thrombocytopenia, in Pregnancy
Thrombocytopenia, Inherited Disorders
Thrombocytosis
Thrombosis or Thrombotic Diathesis
Thymic Masses
Thymoma, Diseases Associations
Thyromegaly
Thyrotoxicosis
Tick-Related Infections
Tics
Torsades De Pointes
Toxic Megacolon, Causes
Tracheobronchial Narrowing On X-Ray
Transient Amnesia
Tremor
Tremor, in Children, Causes
Trichomegaly
True Hermaphroditism
Tubulointerstitial Disease, Acute
Tubulointerstitial Kidney Disease
Tumor Markers Elevation
Upper Airway Obstruction
Uremic Encephalopathy, Differential Diagnosis
Ureteral Colic
Ureteral Stricture
Ureteric Obstruction, Congenital
Urethral Bleeding
Urethral Discharge and Dysuria
Urethral Obstruction, Children
Urethritis, Pediatric Patient
Uric Acid Stones
Urinary Incontinence, Children
Urinary Retention
Urinary Retention, Acute
Urinary Tract Bleeding, Upper
Urinary Tract Obstruction
Urinary Tract Obstruction, Congenital Causes
Urine Casts
Urine Color Abnormalities
Urine, Red
Urolithiasis-Like Pain
Uropathy, Obstructive
Urosepsis
Urticaria in Travelers
Uterine Bleeding, Abnormal
Uveitis, Pediatric Age
Vaginal Bleeding, Abnormal
Vaginal Bleeding, Pregnancy
Vaginal Discharge, Prepubertal Girls
Valvular Heart Disease
Vascular Lesions of GI Tract
Vasculitis (Diseases That Mimic Vasculitis)
Vasculitis, Classification
Vegetative State, Persistent
Ventilation Disorders
Ventilation-Perfusion Mismatch on Lung Scan
Ventricular Failure
Verrucous Lesions
Vertebral Lesions
Vertigo
Vertigo, Central
Vesicular or Bullous Skin Rash
Vesiculobullous Diseases
Viral Encephalitis, Common Causes
Vision Loss After Diving
Vision Loss, Acute, Painful
Vision Loss, Acute, Painless
Vision Loss, Acute, Pediatric Age
Vision Loss, Children
Vision Loss, Chronic, Progressive
Vision Loss, Monocular, Transient
Vision Loss, Progressive, Pediatric Age
Visual Hallucinations
Visual Impairment, Elderly Patient
Vitreous Hemorrhage
Vocal Cord Paralysis
Volume Depletion
Volume Excess
Vomiting
Vomiting, Neonatal
Vulvar Lesions
Vulvar Pain
Vulvitis, Granulomatous
Weakness, Acute, Emergent
Weakness, Gradual Onset
Weakness, Nonneuromuscular Causes
Weight Gain
Weight Loss
Wheezing
Wheezing, Pediatric Age
Wrist and Hand Pain
Wrist and Hand Pain, in Different Age Groups
Wrist Pain
Xanthomas
Xerophthalmia
Xerostomia
Yellow Urine
III. Clinical Algorithms
Abdominal Abscess
Abdominal Pain, Acute
Abdominal Pain, Right Upper Quadrant-Clinical Algorithms
Acid-Base Homeostasis
Acidosis, Metabolic-Clinical Algorithms
Acidosis, Respiratory, Acute
Acidosis, Respiratory, Chronic
Airway Obstruction, Malignant
Alkalosis, Metabolic-Clinical Algorithms
Alkalosis, Respiratory Treatment
Allergic Reaction to Vaccines
Altered Mental Status and Coma
Alveolar Filling Disorders
Alveolar Hemorrhage-Clinical Algorithms
Ambiguous Genitalia
Anemia
Anemia, Macrocytic
Anemia, Microcytic
Anisocoria-Clinical Algorithms
Anorectal Complaints
Azoospermia
Back Pain-Clinical Algorithms
Bleeding and Bruising Problems
Bleeding Disorders
Bleeding, Patient on Dabigatran
Bleeding, Patient on Oral Factor Xa Inhibitors
Bradycardia
Breast Lump
Bullae on Lower Extremities
Café-Au-Lait Macules
Cardiac Arrest
Cardiogenic Shock-Clinical Algorithms
Cardiomegaly on Chest X-Ray
Cardiomyopathy
Caustic Ingestion
Chest Pain
Connective Tissue Disorder, Suspected
Connective Tissue Laboratory Tests
Convulsive Disorder, Suspected, Pediatric Patient
Cough, Chronic
Cystitis, Acute
Daytime Sleepiness, Pediatric Patient
Defecation Disorder, Pediatric Age
Diarrhea, Watery
Dilated Pupil
Dyspnea-Clinical Algorithms
Eating Disorder
Edema
Epilepsy-Clinical Algorithms
Erythrocytosis, Acquired
Esophageal Foreign Body
Esophageal Perforation-Clinical Algorithms
Exanthematous Drug Reaction
Fever and Infection in High-Risk Hematology Patient Without Obvious Source
Fever and Neutropenia
Fever and Neutropenia, Pediatric Patient
Fever and Rash-Clinical Algorithms
Food Reaction
Gastrointestinal Bleeding
Gastrointestinal Fistula
Goiter Evaluation and Management
Granuloma, Noninfectious
Hearing Loss
Hematochezia, Management
Hematuria, Pediatric Patient
Hepatic Mass
Hepatomegaly-Clinical Algorithms
Hypercalcemia-Clinical Algorithms
Hypercapnia
Hyperpigmentation-Clinical Algorithms
Hypokalemia-Clinical Algorithms
Hypotension, Postoperative
Hypovolemic Shock
Hypoxemia
Hypoxemia, Postoperative
III. Clinical Algorithms
Infections of Soft Tissue, Joints, and Bone
Infectious Diarrhea
Intraabdominal Infection, Suspected
Joint Effusion
Joint Pain and Swelling
Leg Ulcers-Clinical Algorithms
Limb Ischemia, Acute
Liver Function Test Elevations
Liver Mass
Mediastinal Mass
Mental Status Change, Elderly Patient
Musculoskeletal Complaints
Musculoskeletal Pain, Chronic
Nausea and Vomiting-Clinical Algorithms
Neck Mass-Clinical Algorithms
Neck Pain-Clinical Algorithms
Occupational Asthma-Clinical Algorithms
Otalgia and Otorrhea
Palpitations, Dizziness, and/or Syncope
Pancreatic Islet Cell Tumors
Pancreatic Mass
Pelvic Pain, Women, Diagnostic Evaluation
Pelvic Pain, Women, Management
Peripheral Neuropathy
Photosensitivity-Clinical Algorithms
Pleural Infection
Pneumothorax, Traumatic
Premature Ventricular Complexes
Proteinuria in Children
Pruritus in Pregnant Woman
Pulmonary Nodule
Purpura-Clinical Algorithms
Rash, Acute Generalized Skin Eruption
Rectal Ulcer
Red Eye-Clinical Algorithms
Renal Mass
Renal Trauma
Rhinitis-Clinical Algorithms
Scrotal Mass
Seizures, Newborn
Shock
Short Stature
Shoulder Pain-Clinical Algorithms
Skin and Soft Tissue Infections
Sleep Disorders Associated with Pregnancy
Sleep Disorders Not Characterized by Hypersomnia
Sleep-Related Movement Disorders
Sore Throat-Clinical Algorithms
Spinal Metastatic Disease
Splenic Injury
Spondyloarthropathy, Diagnosis
Spondyloarthropathy, Treatment
Tachycardia, Diagnostic Approach
Tachycardia, Narrow Complex
Tachycardia, Pediatric Patient
Tachycardia, Wide QRS
Testicular Mass
Thrombotic Microangiopathies, Differential Diagnosis
Trauma in Pregnancy
Traumatic Aortic Injury
Urethral Discharge or Dysuria
Urinary Symptoms, Lower Urinary Tract
Urinary Tract Obstruction-Clinical Algorithms
Vaginal Discharge, Evaluation
Vaginitis, Pediatric
Ventilator-Associated Pneumonia
Ventricular Fibrillation or Pulseless Ventricular Tachycardia
Vertigo-Clinical Algorithms
Viral Exanthem
Vomiting, Acute, Management
Weakness
Weight Loss, Unintentional
IV. Laboratory Tests and Interpretation of Results
5'-Nucleotidase
5-Hydroxyindole-Acetic Acid, Urine
ACE Level
Acetone (Serum or Plasma)
Acetylcholine Receptor (AChR) Antibody
Acid Phosphatase (Serum)
Acid Serum Test
Acid-Base Reference Values
Activated Clotting Time (ACT)
Activated Partial Thromboplastin Time (APTT, aPTT)
Adrenocorticotropic Hormone (ACTH)
Alanine Aminopeptidase
Alanine Aminotransferase (ALT, SGPT)
Albumin (Serum)
Alcohol Dehydrogenase
Aldolase (Serum)
Aldosterone
Alkaline Phosphatase (ALP) (Serum)
Alpha-1 Fetoprotein
Alpha-1-Antitrypsin (Serum)
Alpha-1-Fetoprotein (Serum)
ALT
Aluminum (Serum)
AMA
Amebiasis Serologic Test
Aminolevulinic Acid (Delta-Ala) (24-H Urine Collection)
Ammonia (Serum)
Amylase (Serum)
Amylase, Urine
Amyloid a Protein (Serum)
ANA
ANCA
Androstenedione (Serum)
Angiotensin II
Angiotensin-Converting Enzyme (ACE Level)
ANH
Anion Gap (AG)
Anticardiolipin Antibody (ACA)
Anticoagulant
Antidiuretic Hormone
Anti-DNA
Anti-Ds DNA
Antiglobulin Test
Antiglomerular Basement Antibody
Antihistone
Antimitochondrial Antibody (AMA, Mitochondrial Antibody)
Antineutrophil Cytoplasmic Antibody (ANCA)
Antinuclear Antibody (ANA)
Anti-RNP Antibody
Anti-Scl-70
Anti-Sm (Anti-Smith) Antibody
Anti-Smooth Muscle Antibody
Antistreptolysin O Titer (Streptozyme, ASLO Titer)
Antithrombin III
Apolipoprotein A-1 (Apo A-1)
Apolipoprotein B (Apo B)
Arterial Blood Gases
Arthrocentesis Fluid
Aso Titer
Aspartate Aminotransferase (AST, SGOT)
Atrial Natriuretic Hormone (ANH)
Basophil Count
Bicarbonate
Bile, Urine
Bilirubin, Direct (Conjugated Bilirubin)
Bilirubin, Indirect (Unconjugated Bilirubin)
Bilirubin, Total
Bilirubin, Urine
Bladder Tumor Associated Antigen
Bleeding Time (Modified Ivy Method)
Blood Type
Blood Volume, Total
BNP
Bordetella Pertussis Serology
BRCA Analysis
Breath Hydrogen Test (Hydrogen Breath Test)
B-Type Natriuretic Peptide (BNP)
Bun
C282y and H63d Mutation Analysis
C3
C4
Calcitonin (Serum)
Calcium (Serum)
Calcium, Urine
Cancer Antigen 125 (CA 125)
Cancer Antigen 15-3 (CA 15-3)
Cancer Antigen 27-29 (CA 27-29)
Cancer Antigen 72-4 (CA 72-4)
Captopril Stimulation Test
Carbamazepine (Tegretol)
Carbamazepine Level
Carbohydrate Antigen 19-9
Carbon Dioxide, Partial Pressure
Carbon Monoxide
Carboxyhemoglobin
Carcinoembryonic Antigen (CEA)
Carotene (Serum)
Catecholamines, Urine
CBC
Cd4+ T-Lymphocyte Count (Cd4+ T Cells)
Cd40 Ligand
CEA
Cerebrospinal Fluid (CSF)
Ceruloplasmin (Serum)
Chlamydia Group Antibody Serologic Test
Chlamydia Trachomatis PCR
Chloride (Serum)
Chloride (Sweat)
Chloride, Urine
Cholecystokinin-Pancreozymin (CCK, CCK-PZ)
Cholesterol, High-Density Lipoprotein
Cholesterol, Low-Density Lipoprotein
Cholesterol, Total
Chorionic Gonadotropins, Human (Serum) (hCG)
Chymotrypsin
Circulating Anticoagulant (Lupus Anticoagulant)
CK
Clonidine Suppression Test
Clostridium Difficile Toxin Assay (Stool)
CO
Coagulation Factors
Cobalamin, Serum
Cold Agglutinins Titer
Complement
Complete Blood Count (CBC)
Conjugated Bilirubin
Coombs Direct
Coombs Indirect
Copper (Serum)
Copper, Urine
Corticotropin Releasing Hormone (CRH) Stimulation Test
Cortisol, Plasma
Covid-19
C-Peptide
CPK
C-Reactive Protein
C-Reactive Protein, High Sensitivity (Hs-CRP, Cardio-CRP)
Creatine Kinase (CK, CPK)
Creatine Kinase Isoenzymes
Creatinine (Serum)
Creatinine Clearance
Creatinine, Urine
Cryoglobulins (Serum)
Cryptosporidium Antigen By Eia (Stool)
CSF
Cystatin C
Cystic Fibrosis PCR
Cytomegalovirus by PCR
D-Dimer
Dehydroepiandrosterone Sulfate
Deoxycorticosterone (11-Deoxycorticosterone, Doc) (Serum)
Dexamethasone Suppression Test, Overnight
Digoxin
Digoxin Level
Dihydrotestosterone (Serum, Urine)
Dilantin
Direct Antiglobulin (Coombs Direct)
Disaccharide Absorption Tests
Doc
Donath-Landsteiner (D-L) Test for Paroxysmal Cold Hemoglobinuria
Dopamine
D-Xylose Absorption
D-Xylose Absorption Test
Electrophoresis, Hemoglobin
Electrophoresis, Protein
Ena Complex
Endomysial Antibodies
Eosinophil Count
Epinephrine, Plasma
Epstein-Barr Virus Serology
Erythrocyte Sedimentation Rate (ESR, Sed Rate, Sedimentation Rate)
Erythropoietin (EP)
Estradiol (Serum)
Estrogen
Ethanol (Blood)
Extractable Nuclear Antigen (ENA Complex, Anti-RNP Antibody, Anti-Sm, Anti-Smith)
Extrarenal Acidosis: Increase in Net Acid Excretion
Factor V Leiden
Fasting Blood Sugar
FBS
FDP
Fecal Fat, Quantitative (72-H Collection)
Fecal Globin Immunochemical Test
Ferritin (Serum)
Fibrin Degradation Product (FDP)
Fibrinogen
Folate (Folic Acid)
Follicle-Stimulating Hormone (FSH)
Free T4
Free Thyroxine Index
Fta-Abs (Serum)
Furosemide Stimulation Test
Gamma-Glutamyl Transferase (GGT)
Gamma-Glutamyl Transferase (GGT)-Laboratory Tests and Interpretation of Results
Gastrin (Serum)
Gastrin Stimulation Test
Gliadin Antibodies, IgA and IgG
Glomerular Basement Membrane (GBM) Antibody
Glomerular Filtration Rate
Glucagon
Glucose Tolerance Test
Glucose, Fasting (FBS, Fasting Blood Sugar)
Glucose, Postprandial
Glucose-6-Phosphate Dehydrogenase (G6PD) Screen (Blood)
Glycohemoglobin (Glycated Glycosylated Hemoglobin), (HbA1c)
Growth Hormone
Growth Hormone Releasing Hormone (GHRH)
Growth Hormone Suppression Test (after Glucose)
Ham Test (Acid Serum Test)
Haptoglobin (Serum)
Hba1c
HDL
Helicobacter Pylori (Serology, Stool Antigen)
Hematocrit
Hemoglobin
Hemoglobin A1c
Hemoglobin Electrophoresis
Hemoglobin H
Hemoglobin, Glycated
Hemoglobin, Glycosylated
Hemoglobin, Urine
Hemosiderin, Urine
Heparin-Induced Thrombocytopenia Antibodies
Hepatitis A Antibody
Hepatitis A Virus Total Antibody
Hepatitis A Virus-I.M.antibody
Hepatitis B Surface Antigen (HBsAg)
Hepatitis B Viral Infection
Hepatitis C RNA
Hepatitis C Viral Infection
Hepatitis D Viral Infection
Hepatitis D Virus-Ab (IgM)
Hepatitis D Virus-Ab (Total)
Hepatitis D Virus-Ag
Hepatitis Delta Coinfection (Acute HDV1 Acute HBV) or Superinfection (Acute HDV1 Chronic HBV)
Her-2/Neu
Herpes Simplex Virus (HSV)
Heterophil Antibody
Hfe Screen for Hereditary Hemochromatosis
High-Density Lipoprotein (HDL) Cholesterol
HLA Antigens
Homocysteine (Plasma)
Human Chorionic Gonadotropin (hCG)
Human Herpes Virus 8 (Hhv8)
Human Immunodeficiency Virus Antibody, Type 1 (HIV-1)
Human Immunodeficiency Virus Type 1 (HIV-1) Antigen (P24), Qualitative (P24 Antigen)
Human Immunodeficiency Virus Type 1 (HIV-1) Viral Load
Human Papillomavirus (Hpv)
Huntington Disease PCR
Hydrogen Breath Test
Immune Complex Assay
Immunoglobulins
Indirect Antiglobulin (Coombs Indirect)
Influenza A and B Tests
Insulin Autoantibodies
Insulin, Free
Insulin-Like Growth Factor-1 (IGF-1) (Serum)
Insulin-Like Growth Factor-II
International Normalized Ratio (INR)
Intrinsic Factor Antibodies
Iron (Serum)
Iron Saturation (% Transferrin Saturation)
Iron-Binding Capacity, Total (TIBC)
IV. Laboratory Tests and Interpretation of Results
Lactate (Blood)
Lactate Dehydrogenase (LDH)
Lactate Dehydrogenase Isoenzymes
Lactose Tolerance Test (Serum)
Lap Score
LDH
LDL
Lead
Legionella Pneumophila PCR
Legionella Titer
Leukocyte Alkaline Phosphatase (LAP)
Leukocyte Count
Lipase
Lipoprotein (a)
Lipoprotein Cholesterol, High-Density
Lipoprotein Cholesterol, Low-Density
Liver Kidney Microsome Type 1 Antibodies (LKM1)
LKM1
Low-Density Lipoprotein (LDL) Cholesterol
Lupus Anticoagulant
Luteinizing Hormone
Lyme Disease Antibody Titer
Lymphocytes
Magnesium (Serum)
Mean Corpuscular Volume (MCV)
Metanephrines, Urine
Methylmalonic Acid (Serum)
Mitochondrial Antibody (AMA)
Monocyte Count
Mycoplasma Pneumoniae PCR
Myelin Basic Protein, Cerebrospinal Fluid
Myoglobin, Urine
Neisseria Gonorrhoeae PCR
Neutrophil Count
Norepinephrine
Osmolality (Serum)
Osmolality, Urine
Osmotic Fragility Test
Paracentesis Fluid
Parathyroid Hormone (PTH)
Parietal Cell Antibodies
Partial Thromboplastin Time (PTT), Activated Partial Thromboplastin Time (APTT)
Pepsinogen I
Ph, Blood
Ph, Urine
Phenobarbital
Phenytoin (Dilantin)
Phosphatase, Acid
Phosphatase, Alkaline
Phosphate (Serum)
Plasma Cells
Plasminogen
Platelet Aggregation
Platelet Antibodies
Platelet Count
Platelet Function Analysis 100 Assay (PFA)
Pleural Fluid
Potassium (Serum)
Potassium, Urine
Procainamide
Progesterone (Serum)
Prolactin
Prostate-Specific Antigen (PSA)
Prostatic Acid Phosphatase
Protein (Serum)
Protein C Assay
Protein Electrophoresis (Serum)
Protein S Assay
Prothrombin Time (PT)
Protoporphyrin (Free Erythrocyte)
PSA
PT
PTH
PTT
Rapid Plasma Reagin (RPR)
RDW
Red Blood Cell (RBC) Count
Red Blood Cell Distribution Width (RDW)
Red Blood Cell Folate
Red Blood Cell Mass (Volume)
Red Blood Cell Morphology
Renin (Serum)
Respiratory Syncytial Virus (RSV) Screen
Reticulocyte Count
Rheumatoid Factor
Rotavirus Serology
RPR
Sars-Cov-2 Antibodies
Sed Rate
Sedimentation Rate
Semen Analysis
SGOT
SGPT
Sickle Cell Test
Smooth Muscle Antibody
Sodium (Serum)
Streptozyme
Sucrose Hemolysis Test (Sugar Water Test)
Sudan III Stain (Qualitative Screening for Fecal Fat)
Synovial Fluid Analysis
T3 (Triiodothyronine)
T3 Resin Uptake (T3RU)
T4, Free (Free Thyroxine)
T4, Serum T4
Tegretol
Testosterone (Total Testosterone)
Theophylline
Thoracentesis Fluid
Thrombin Time (TT), Thrombin Clotting Time (TCT)
Thyroglobulin
Thyroid Microsomal Antibodies
Thyroid-Stimulating Hormone (TSH)
Thyrotropin (TSH) Receptor Antibodies
Thyrotropin-Releasing Hormone (TRH) Stimulation Test
Thyroxine (T4)
TIBC
Tissue Transglutaminase Antibody
Transferrin
Triglycerides
Triiodothyronine
Troponins (Serum)
TSH
TT
Tuberculin Test (PPD)
Unconjugated Bilirubin
Urea Nitrogen, Blood (Bun)
Uric Acid (Serum)
Urinalysis
Urine 5-Hydroxyindole-Acetic Acid (Urine 5-HIAA)
Urine Amylase
Urine Bile
Urine Calcium
Urine Camp
Urine Catecholamines
Urine Chloride
Urine Copper
Urine Cortisol, Free
Urine Creatinine (24 H)
Urine Crystals
Urine Eosinophils
Urine Glucose (Qualitative)
Urine Hemoglobin, Free
Urine Hemosiderin
Urine Indican
Urine Ketones (Semiquantitative)
Urine Metanephrines
Urine Myoglobin
Urine Nitrite
Urine Occult Blood
Urine Osmolality
Urine pH
Urine Phosphate
Urine Potassium
Urine Protein (Quantitative)
Urine Sediment
Urine Sodium (Quantitative)
Urine Specific Gravity
Urine Vanillylmandelic Acid (Vma)
Varicella-Zoster Virus (VZV) Serology
Vasoactive Intestinal Peptide (VIP)
Vdrl
Viscosity (Serum)
Vitamin B12 (Cobalamin)
Vitamin D, 1,25 Dihydroxy Calciferol
Vitamin K
Von Willebrand Factor
V. Clinical Practice Guidelines
Clinical Practice Guidelines - Immunizations and Chemoprophylaxis
Childhood and Adolescent Immunizations
General Recommendations on Immunization
Hepatitis A Prophylaxis
Immunizations for Adults
Indications for Use of Antivirals
Influenza Treatment and Prophylaxis
Passive Immunizations for Adults
Prevention of Hepatitis B Virus Infections in the United States
Recommendations for HIV Testing of Adults, Adolescents, and Pregnant Women
Recommendations for Meningococcal Vaccination
Recommendations for Providing Sexually Transmitted Diseases Clinical Services
Vaccinations for International Travel
Vaccine Administration
Vaccine Websites and Resources
V. Clinical Practice Guidelines
Patient Teaching Guides
English and Spanish PTGs
Abdominal Aortic Aneurysm
Abruptio Placentae
Absceso Perirectal
Abscesos Pélvicos
Absence Seizures
Acetaminophen Poisoning
Achalasia
Achilles Tendinitis
Achilles Tendon Rupture
Acne
Acoustic Neuroma
Acquired Immunodeficiency Syndrome
Acquired Polyneuropathy
Acromegaly
Acute Bronchitis
Acute Coronary Syndrome
Acute Pancreatitis
Acute Renal Failure
Acute Respiratory Distress Syndrome
Addison Disease
Alcohol Addiction
Alcohol Use Disorder (Adolescents)
Alcohol Use Disorder (Men)
Alcohol Use Disorder (Women)
Alcoholic Hepatitis
Aldosteronism
Allergic Rhinitis
Alopecia
Alpha-1-Antitrypsin Deficiency
Altitude Sickness
Alzheimer Disease
Alzheimer Disease (Caring)
Amaurosis Fugax
Amebiasis
Amenorrhea
Amphetamine Abuse
Amyotrophic Lateral Sclerosis
Anal Cancer
Anal Fissures
Anal Itching
Anaplasmosis
Anemia
Angina
Angioedema
Animal and Human Bites
Ankle Fracture
Ankle Sprains
Ankylosing Spondylitis
Anorexia Nervosa
Anorexia Nervosa (Men)
Anorexia Nervosa (Women)
Anormalidades En El Papanicolaou
Anthrax
Anxiety
Aortic Dissection
Aortic Insufficiency
Aortic Stenosis
Aortic Valve Disease
Aplastic Anemia
Appendicitis
Appendicitis (Child)
Asbestosis
Ascariasis
Ascites
Aspergillosis
Aspiration Pneumonia
Asthma
Asthma (Child)
Astrocitomas
Atelectasis
Atrial Fibrillation
Atrial Flutter
Atrial Myxoma
Atrial Septal Defect
Attention Deficit Hyperactivity Disorder (Child)
Atypical Pneumonia
Autism Spectrum Disorder (Child)
Autoimmune Hepatitis
Avascular Necrosis
Babesiosis
Back Pain
Bacterial Food Poisoning
Bacterial Pneumonia
Baker Cysts
Balanitis
Bariatric Surgery
Barrett Esophagus
Bartholin Cysts
Basal Cell Skin Cancer
Bed Sores
Bedbug Bites
Bedwetting
Behcet Disease
Bell Palsy
Bipolar Disorder
Bites and Stings
Blisters
Body Dysmorphic Disorder
Boils
Borderline Personality Disorder
Botulism
Brain Abscess
Brain Trauma
Breast Abscesses
Breast Cancer
Breast Cancer (Men)
Breast Cancer (Screening and Prevention)
Breast Pain
Breech Birth
Bronchiectasis
Bruxism
Budd-Chiari Syndrome
Bulimia Nervosa
Bullous Pemphigoid
Bundle Branch Block
Burns
Bursitis
Cáncer de Cerebro
Cáncer de Vejiga
Cáncer de Vulva
Cáncer Uterino
Candidiasis
Carbon Monoxide Poisoning
Carcinoid Syndrome
Cardiac Pacemakers and Defibrillators
Cardiac Tamponade
Cardiomiopatchr(237)a Hipertrchr(243)fica
Carotid Stenosis
Carpal Tunnel Syndrome
Cataracts
Cat-Scratch Disease
Cavernous Sinus Thrombosis
Celiac Disease
Cellulitis
Cerebral Palsy
Cervical Cancer
Cervical Disc Syndrome
Cervical Dysplasia
Cervical Insufficiency
Cervical Polyps
Cervical Radiculopathy
Cervical Spondylosis
Cervicitis
Chalazion
Chancroid
Charcot Joint
Charcot-Marie-Tooth Disease
Chickenpox
Child Abuse and Neglect
Child Safety Issues
Cholecystitis
Chronic Fatigue Syndrome
Chronic Kidney Disease (Ckd)
Chronic Lymphocytic Leukemia
Chronic Myelogenous Leukemia
Chronic Obstructive Pulmonary Disease (COPD)
Chronic Pancreatitis
Cirrhosis
Cleaning the Teeth and Gums
Cleft Lip and Palate
Clostridium Difficile Infection
Clostridium Difficile Infections (Cdi)
Cluster Headaches
Coarctation of the Aorta
Cocaine Abuse and Dependence
Coccidioidomycosis
Colic
Colon Cancer
Colon Cancer: Screening and Prevention
Common Cold
Compartment Syndrome
Complete Heart Block
Concussion
Conjunctivitis
Constipation
Constipation (Child)
Contact Dermatitis
Contraception
Conversion Disorder
Corneal Foreign Body and Corneal Abrasion
Coronary Artery Bypass Surgery
Coronary Artery Disease (CAD)
Costochondritis
Craniopharyngiomas
Crohn Disease
Croup
Cryptococcosis
Cubital Tunnel Syndrome
Cushing Syndrome
Cystic Fibrosis
Cysticercosis
Cystitis
De Quervain Tenosynovitis
Deep Vein Thrombosis
Delayed Puberty
Delirium Tremens
Depression
Dermatitis Herpetiformis
Dermatomyositis and Polymyositis
Diabetes Insipidus
Diabetes Mellitus Type 1 (Adolescents)
Diabetes Mellitus Type 1 (Adults)
Diabetes Mellitus Type 1 (Child)
Diabetes Mellitus Type 2 (Adolescents)
Diabetes Mellitus Type 2 (Adults)
Diabetes Mellitus Type 2 (Child)
Diabetic Retinopathy
Diaper Rash
Dietary Fiber
Dilated Cardiomyopathy
Discoid Lupus Erythematosus
Disseminated Intravascular Coagulation (DIC)
Diverticular Disease
Diverticulitis
Diverticulosis
Down Syndrome
Drug Use Disorder
Dry Eye
Dupuytren Contracture
Dysfunctional Uterine Bleeding
Dysmenorrhea
Earache
Echinococcosis
Eclampsia
Ectopic Pregnancy
Eczema
Ehlers-Danlos Syndrome
Elbow Dislocation
Elder Abuse
Electrical Injury
Emphysema
Encopresis
Endocarditis
Endometrial Cancer
Endometriosis
Enfermedad Pélvica Inflamatoria
Eosinophilic Esophagitis
Epididymitis
Epiglottitis
Epilepsy
Episcleritis
Epstein-Barr Virus (EBV) Infection
Erectile Dysfunction
Erysipelas
Erythema Multiforme
Erythema Nodosum
Esophageal Cancer
Essential Tremor
Estenosis de La Arteria Renal
Excessive Perspiration
Exercise Good for Cardiovascular Health
Familial Adenomatous Polyposis and Polyposis Syndromes
Fatty Liver
Female Sexual Dysfunction
Femoral Hernias
Fever of Undetermined Origin
Fever Seizures
Fibrocystic Breast Changes
Fibromas
Fibromyalgia
Fifth Disease
Finger Sprains
Folliculitis
Food Allergies
Food-Borne Intestinal Protozoan Infections
Forgetfulness
Friedreich Ataxia
Frostbite
Frozen Shoulder
Galactorrhea
Gallstones
Ganglia
Gangrene
Gastrinomas
Gastritis
Gastroenteritis
Gastroesophageal Reflux Disease (Child)
Gastroesophageal Reflux Disease (GERD)
Gastroparesis and Gastric Motility Disorders
Generalized Tonic-Clonic Seizures
Genital Herpes
Genital Warts
Gestational Diabetes Mellitus
Giant Cell Arteritis
Giardiasis
Gingivitis
Glaucoma
Glomerulonephritis
Glossitis
Gluten-Free Diet
Golfer's Elbow
Gonorrhea
Good Nutrition
Good Nutrition (Healthy Diet Teenager)
Goodpasture Disease
Gout
Granuloma Annulare
Granuloma Inguinale
Graves Disease
Groin Strains
Guillain-Barre Syndrome
Gynecomastia
Hairy Cell Leukemia
Halitosis
Hamstring Strains
Hand-Foot-Mouth Disease
Hearing Loss
Heart Attack
Heart Attack (Women)
Heart Catheterization
Heart Failure (HF)
Heat Exhaustion and Heatstroke
Helicobacter Pylori Infection
Helping Your Child Treat: Obesity
Hemochromatosis
Hemolytic-Uremic Syndrome
Hemophilia
Hemorrhoids
Henoch-Schonlein Purpura
Hepatic Encephalopathy
Hepatitis A
Hepatitis B
Hepatitis C
Hepatorenal Syndrome
Hernias
Herpangina
Herpes Encephalitis
Hiatal Hernias
High Cholesterol
High Triglycerides
Hip Fracture
Hip Pain
Hipertiroidismo
Hipoglicemia
Hipopituitarismo
Hipospadia
Hipotiroidismo
Hirsutism
Histoplasmosis
Hives
Hodgkin Lymphoma
Hookworm Infections
Horner Syndrome
Hot Flashes
Human Immunodeficiency Virus (HIV) Infection
Human Papillomavirus Infection
Huntington Disease
Hydration and Dehydration
Hydrocele
Hydronephrosis
Hyperemesis Gravidarum
Hyperparathyroidism
Hypersensitivity Pneumonitis
Hypersplenism
Hypertension
Hypertension (Child)
Idiopathic Pulmonary Fibrosis
IgA Vasculitis
Immune Thrombocytopenic Purpura
Impetigo
Impetigo (Child)
Infeccichr(243)n Vaginal Bacteriana
Infeccichr(243)n Vaginal Por Levaduras
Infertility
Influenza
Influenza (Flu Vaccination)
Ingrown Toenail
Inguinal Hernia
Insomnia
Interstitial Nephritis
Interstitial Pulmonary Disease
Intussusception
Iron Deficiency Anemia
Jaundice
Jellyfish and Marine Animal Stings and Bites
Juvenile Rheumatoid Arthritis
Kaposi Sarcoma
Kawasaki Disease
Kegel Exercises
Keloids
Kidney Cancer
Kidney Stones
Klinefelter Syndrome
Knee Pain
Knee Sprain
Knee Swelling
Labyrinthitis
Lactational Mastitis
Lactose Intolerance
Laringitis Aguda
Laryngeal Cancer
Laryngitis
Lead Poisoning
Legg-Calve-Perthes Disease
Legionnaires Disease
Leprosy
Leucemia Linfocchr(237)tica Aguda
Leucemia Mieloide Aguda
Lice
Lichen Planus
Lichen Sclerosus
Lipoma
Listeriosis
Liver Abscesses
Liver Cancer
Liver Transplantation
Long QT Syndrome
Low Back Pain
Low Back Strain
Lumbar Disc Syndrome
Lumbosacral Radiculopathy
Lung Abscess
Lung Cancer
Lung Cancer: Screening and Prevention
Lyme Disease
Lymphangitis
Lymphedema
Lymphogranuloma Venereum (Lgv)
Macular Degeneration
Malaria
Mallory-Weiss Tear
Marfan Syndrome
Mastoiditis
Measles
Meckel Diverticulum
Melanoma
Meniere Disease
Meningioma
Meningitis
Menopause
Menorrhagia
Mesothelioma
Metabolic Syndrome
Metatarsalgia
Microscopic Colitis
Migraine Headaches
Miscarriage
Mitral Regurgitation
Mitral Stenosis
Mitral Valve Disease
Mitral Valve Prolapse
Molluscum Contagiosum
Molluscum Contagiosum (Child)
Mononucleosis
Morning Sickness
Morton Neuroma
Motion Sickness
Mouth Cancer
MRSA Infections
Multiple Myeloma
Multiple Sclerosis
Mumps
Muscular Dystrophy
Mushroom Poisoning
Myasthenia Gravis (Mg)
Mycoplasma Pneumonia
Myelodysplastic Syndrome
Myocarditis
Nail Fungus
Narcissistic Personality Disorder
Narcolepsy
Neck Pain
Neck Strains
Nephrotic Syndrome
Neuroblastomas
Neurofibromatosis Type 1
Neurofibromatosis Type 2
Night Terrors
Nocardiosis
Non-Hodgkin Lymphoma Nhl
Normal Pressure Hydrocephalus (Nph)
Nosebleeds
Nutrition for Athletes
Obsessive-Compulsive Disorder
Oral Hairy Leukoplakia
Oral Herpes
Orchitis
Osgood-Schlatter Disease
Osteoarthritis
Osteoarthritis of The Hip
Osteoarthritis of The Knee
Osteochondritis Dissecans
Osteomyelitis
Osteoporosis
Osteoporosis for Men
Otitis Externa
Ovarian Cancer
Ovarian Cysts
Over-the-Counter Pain Medicines (Adult)
Over-the-Counter Pain Medicines (Child)
Paget Disease of Bone
Paget Disease of the Breast
Painful Intercourse
Pancreatic Cancer
Panic Disorder
Paranoid Personality Disorder
Parkinson Disease
Paronychia
Partial Motor Seizures
Patellar Tendinitis
Patellofemoral Pain Syndrome
Pedophilic Disorder
Pemphigus Vulgaris
Peptic Ulcers
Percutaneous Coronary Intervention
Pericarditis
Peripheral Arterial Disease (PAD)
Peripheral Neuropathy
Pernicious Anemia
Pertussis
Peutz-Jeghers Syndrome
Peyronie Disease
Pheochromocytoma
Phimosis and Paraphimosis
Phobias
Pilonidal Cysts
Pinworms
Pituitary Adenomas
Pityriasis Rosea
Placenta Previa
Plantar Fasciitis
Pneumoconiosis
Pneumocystis Pneumonia
Pneumothorax
Poison Ivy
Poliomyelitis
Polycystic Kidney Disease
Polycystic Ovary Syndrome
Polycythemia Vera
Polymyalgia Rheumatica (Pmr)
Poor Circulation
Porphyria
Postconcussive Syndrome
Posttraumatic Stress Disorder
Precocious Puberty
Prediabetes
Preeclampsia
Premature Ejaculation
Premature Ventricular Contractions (PVCs)
Priapism
Primary Biliary Cirrhosis
Probiotics
Prolactinomas
Prolapso de Los chr(211)rganos Pélvicos
Prolapso Uterino
Prostate
Prostate Cancer
Prostate Cancer Screening and Prevention
Prostatitis
Pseudogout
Psoriasis
Psoriatic Arthritis
Psychosis
Puberty: Female
Puberty: Male
Pulmonary Embolism
Pulmonary Hypertension
Pulmonary Hypertension and Thromboembolic Disease
Pyelonephritis
Pyloric Stenosis
Rabies
Radial Neuropathy
Ramsay Hunt Syndrome
Raynaud Phenomenon
Rectal Cancer
Reiter Syndrome
Restless Leg Syndrome (Rls)
Restrictive Cardiomyopathy
Retinitis Pigmentosa
Retinoblastoma
Rhabdomyolysis
Rheumatic Fever
Rheumatoid Arthritis
Ringworm
Rocky Mountain Spotted Fever
Rosacea
Roseola
Rotator Cuff Pain
Rotator Cuff Tear
Rotator Cuff Tendinosis
Rotator Cuff Tendonitis
Rotavirus Infections
Rubella
Salivary Gland Inflammation
Salivary Gland Stones
Salivary Gland Tumors
Salmonellosis
Sarcoidosis
Sars
Scabies
Scarlet Fever
Schizophrenia
Schr(237)filis
Schr(237)ndrome de Anticuerpos Antifosfolchr(237)pidos
Schr(237)ndrome Del Colon Irritable
Schr(237)ndrome Premenstrual
Sciatica
Scleroderma
Scoliosis
Scoliosis as an Adult
Seasonal Affective Disorder
Seborrheic Dermatitis
Second-Degree Heart Block
Septic Arthritis
Shigellosis
Shin Splints
Shingles
Short Bowel Syndrome
Shoulder Dislocation
Sickle Cell Disease
Sids (Sudden Infant Death Syndrome)
Silicosis
Sinusitis
Sjogren Syndrome
Sleep Apnea
Sleep Disorder and Heart Disease
Slipped Disc
Slipped Femoral Epiphysis
Small Intestinal Bacterial Overgrowth (SIBO)
Smoke Inhalation
Smoking
Snake Bites
Somatization Disorder
Sore Throat
Spinal Cord Trauma
Spinal Stenosis
Squamous Cell Carcinoma
Squamous Cell Carcinoma: Prevention and Screening
Stasis Dermatitis
Stevens-Johnson Syndrome
Stomach Cancer
Stomatitis
Strabismus
Strep Throat
Stress Test Used to Predict Heart Attack Risk
Stroke
Stye
Subarachnoid Hemorrhage
Subdural Hematomas
Sun Poisoning
Supraventricular Tachycardia
Surgical Site (Surgical Wound) Infections
Syncope
Syndrome of Inappropriate Secretion of Diuretic Hormone
Syringomyelia
Systemic Lupus Erythematosus (SLE)
Tapeworm Infection
Tardive Dyskinesia
Tarsal Tunnel Syndrome
Temporal Arteritis
Temporomandibular Joint Syndrome
Tendinitis
Tennis Elbow
Tension-Type Headache
Testicular Cancer
Testicular Torsion
Tetanus
Tetralogy of Fallot
Thoracic Outlet Syndrome
Thromboangiitis Obliterans
Thrombophilia
Thrombophlebitis
Thyroid Cancer
Thyroid Nodule
Thyroiditis
Tinea Capitis
Tinea Cruris
Tinea Infections
Tinea Pedis
Tinea Versicolor
Tinnitus
Tonsillitis
Torticollis
Tourette Syndrome
Toxic Shock Syndrome
Toxoplasmosis
Transient Ischemic Attack (TIA)
Traveler Diarrhea (Td)
Trichinellosis
Tricomoniasis
Tricuspid Regurgitation
Tricuspid Stenosis
Trigeminal Neuralgia
Trigger Finger
Trochanteric Bursitis
Tuberculosis
Tuberous Sclerosis
Turner Syndrome
Typhoid Fever
Ulcerative Colitis
Ulnar Neuropathy
Undescended Testicle
Unstable Angina
Uretritis Gonocchr(243)cica
Uretritis No Gonocchr(243)cica (Ung)
Urinary Incontinence
Urinary Tract Infections
Vaginal Cancer
Vaginal Dryness
Varicocele
Varicose Veins
Ventricular Septal Defect
Vertigo
Viral Pneumonia
Vitamin D Deficiency
Vitamins (Child)
Vitamins (Men over 65)
Vitamins (Men Under 65)
Vitamins (Women over 65)
Vitamins and Minerals (Women Under 65)
Vitiligo
Vomiting
Von Willebrand Disease
Warfarin Therapy
Warts
Wegener Granulomatosis
Weight Control for Men
Weight Control for Women
West Nile Virus Infection
Whiplash
Wilson Disease
Wolff-Parkinson-White Syndrome
Wrist Fractures
Zenker (Pharyngoesophageal) Diverticulum
Appendix
Ia. Definitions of Complementary and Alternative Medicine Terms
Ib. Relaxation Techniques
IBC
Ic. Overview of Selected Natural Products
Id. Natural Products and Drug Interactions
Ie. Commonly Ingested Plants with Significant Toxic Potential
If. Herbs Associated with Toxicity
Ig. Websites Providing Data on Herbal Therapy Hazards
Ih. Common Herbs in Integrated Medicine
Ii. Herbal Activities Against Pain and Chronic Diseases
IIa. Dietary Supplements: What Every Primary Care Provider Should Know
IIb. Vitamins and Their Functions
IIc. Nutritional Trace Elements and Their Clinical Implications
IId. Summary of Vitamin and Mineral Deficiencies
IIIa. Selected Historical and Physical Findings in Poisoning
IIIb. Toxidromes
IIIc. Antidotes and Indications for Use
IIId. Management of Acute Poisoning
IIIe. Pathophysiology, Clinical Effects, and Management of Specific Drugs and Toxicants
IIIf. Accidental Poisoning by Exposure to Other Drugs Acting on the Autonomic Nervous System
IV. Impairment and Disability Issues
IX. Preoperative Evaluation
V. Protection of Travelers
VI. Care of the Transgender Patient
VIII. Palliative Care
Front Matter
Clinical Disorders
Ferri’s Clinical Advisor 2024-How to Use This Book
Preface
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