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A: Pulmonary Embolism (CXR)
A: Seborrheic Keratosis with Verrucous Appearance on the Forehead
A: Sinus Rhythm with Frequent Premature Ventricular Complexes in a Pattern of Bigeminy
A: The Ascending Aorta (Yellow Dotted Line) Leading into the Arch is Dilated, Whereas the Distal Arch and Descending Aorta (Red Dotted Line) are Normal in Size
A: Tinea Corporis Covering the Buttocks and not Showing Areas of Central Clearing
A: Ulcer on the Nasal Tip is the Most Obvious Warning Sign for this Infiltrative Bcc
A: Under High-Definition, White-Light Endoscopy, Columnar Epithelium is Visible Extending into the Distal Esophagus in a Circumferential Manner
A: Vitiligo on the Hands of a Hispanic Man
A 12-Lead ECG of Torsades De Pointes
A 1-cm Bi-Lobed Adenoma is Visible that is Attached to a Long Stalk (Pedunculated Polyp)
A 36-Year-Old Man (He/Him) with Pulmonary Tuberculosis
A 38-Year-Old Man with Chest Pain at Physical Exercise
Acanthosis Nigricans of the Nape of the Neck, with Typical Dark and Velvety Appearance
Accelerated Hypertension in a Young Woman Manifesting as Marked Optic Disk Edema, Macular Star of Hard Exudates, Exudative Retinal Detachment, Retinal Hemorrhages, and Cotton-Wool Spots
According to These Recommendations, if AOBP Measurements are not Available, Blood Pressures Recorded Manually in the Office May be Substituted if Taken as the Mean of the Last Two Readings of Three Consecutive Readings
Relationship of CD4 Count to Development of Opportunistic Infections
Relative Afferent Pupillary Defect
Renal Stones
Representative Spirograms (Upper Panel) and Expiratory Flow-Volume Curves (Lower Panel) for Normal (A), Obstructive (B), and Restrictive (C) Patterns
Rest and 24-Hour Redistribution Thallium-201 (201tl) Single-Photon Emission CT (Spect) Myocardial Perfusion Imaging (Mpi) of a 75-Year-Old Man with Atypical Angina Showing a Large Amount of Resting Ischemia in the Left Anterior Descending Coronary Artery (LAD)
Retinal Changes in HIV Infection: Cytomegalovirus Retinitis with Hemorrhages and Retinal Whitening
Retinal Embolus (Arrow)
Rheumatoid Arthritis
Rheumatoid Nodules over the Extensor Surface of the Forearm
Right Atrial Enlargement (Rae) and Rvh
Right Bundle Branch Block
Risk Index for Material Cardiac Complications in Pregnancy (Carpreg II)
Role of Cobalamin (Vitamin B12) and Folic Acid in Nucleic Acid and Myelin Metabolism
Role of Obesity in the Pathophysiology of Weight-Related Diseases
Romaña Sign
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