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(A) and (B) In this Black Patient with Palmoplantar Psoriasis, Yellow-Brown Macules and Sterile Pustules Became Confluent in Areas, Causing Extensive Scale, Crust, and Nail Loss
A: A 65-Year-Old Patient with Non-Q Wave Infarction due to Left Main Trunk Subocclusion
A: A Benign, Clean-Based Gastric Ulcer
A: Anterior View of the Shoulder
A: A Smooth, Benign Appearing Peptic Stricture in the Distal Esophagus
A: Chalazion Viewed from Internal Eyelid Showing the Yellow Lipogranulomatous Material
A: Close-Up of CXR Showing Kerley B Lines
A: Colonic Angioectasia Characterized by its Bright Red Appearance
A: Dorsum of the Left Wrist
A: ECG at Initial Preparticipation Physical Evaluation (Preablation) Demonstrates a Wpw Pattern
A: ECG During Spontaneous Chest Pain Showing ST-Segment Elevation in Leads II, III, and Avf
A: Eosinophilic Pneumonitis
A: Erythema Multiforme on the Palm with Target Lesions that Have a Dusky Red and White Center
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)
A: Esophageal Varices: Upper Endoscopy Demonstrates Four Columns of Esophageal Varices
A: External Examination Shows Deformity of the Big Toe Joint
A: External Hordeolum (Black Arrow) and an Internal Hordeolum (White Arrow)
A: Growing 9-mm Compound Dysplastic Nevus on the Back of a 44-Year-Old Man
A: Hyperviscosity Syndrome on Funduscopic Examination of a Patient with Waldenstrom Macroglobulinemia
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