🏥 USMLE Exam Prep

The triad of Wernicke encephalopathy consists of:

A Fever, rash, joint pain
B Confusion, ophthalmoplegia (eye movement abnormalities), and ataxia due to thiamine (B1) deficiency
C Tremor, rigidity, bradykinesia
D Headache, nausea, photophobia

✓ Correct Answer: Option B

Wernicke encephalopathy: thiamine (B1) deficiency, commonly in alcoholism. Triad: confusion/AMS, oculomotor dysfunction (nystagmus, lateral rectus palsy), ataxia. Treat with IV thiamine BEFORE glucose.

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