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Internal Medicine practice Mcqs (FCPS, USMLE, PLAB, MRCP)

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A 45 year old male with a history of alcohol dependence presents with confusion, nystagmus and ataxia. Examination reveals 6th cranial nerve weakness. He is most likely to be suffering from:
A. Korsakoff’s psychosis
B. Wernicke encephalopathy
C. De Clerambault syndrome
D. Delirium tremens
Correct answer : B. Wernicke encephalopathy
Wernicke encephalopathy is characterised by a triad of confusion, ophthalmoplegia and ataxia in an alcoholic patient.

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