<prompt> Which of the following is not a feature of Wernickes,encephalopathy:Global confusionOpthalmoplegiaAtaxiaAphasia  <response>: Ans.d AphasiaRef: Harrison 19th ed. 2724The classic triad of symptoms found in Wernickes encepha- lopathy is: Global Confusion Ophthalmo-plegia Most commonly affecting the lateral rectus muscle. AtaxiaFor diagnosis: Thiamine can be measured using an erythrocyte transketolase activity assay or by activation by measurement of in vitro thiamine diphosphate levels. 