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Alcohol withdrawal — USMLE Step 3 MCQ

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EasyInternal Medicine (chronic management)Alcohol withdrawalUSMLE Step 3

A 50-year-old man with heavy alcohol use has tremor, diaphoresis, anxiety, and visual hallucinations 24 hours after his last drink. Blood pressure is 158/96 mm Hg and pulse is 118/min. He is oriented. Which of the following is the most likely diagnosis?

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Correct answer: A — Alcohol withdrawal

Autonomic hyperactivity, tremor, anxiety, and hallucinations within 6 to 48 hours after cessation of heavy alcohol use indicate alcohol withdrawal.

Reference: ASAM alcohol withdrawal guidance; USMLE Step 3 Content Outline