Wernicke's Encephalopathy and Korsakoff's Psychosis
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þ Cause of Wernicke's and Korsakoff's:
 - Vitamin B-1 (Thiamine) deficiency    <Vit-B.TXT>
 - Good review of Wericke's:  [Reuler JB, et al. Current concepts: Wernicke's
   encephalopathy. NEJM 1985;3112:1035.]

þ Epidemiology of Wernicke's
 - up to 12% in some alcoholic populations
 - diagnosis made premortem in only 20% of cases.

þ Classic Triad of Wernicke's Disease
 - Eye Signs
  + horizontal nystagmus
  + lateral rectus palsy
  + "blank stare"
  + "cross-eyed"
 - global confusional state
  + NOT agitated or hyperactive as with DTs or withdrawal from EtOH;
  + withdrawn, inert, indifferent
 - cerebellar ataxia