This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Symmetric, high voltage, triphasic, slow wave EEG pattern is seen in? 
Select and explain. 
A. Uremic encephalopathy, B. Hypoxic ischemic encephalopathy, C. Hypercapnic encephalopathy, D. Hepatic encephalopathy
D: Hepatic encephalopathy
Answer: D: Hepatic encephalopathy 
Explanation: Symmetric, high voltage, triphasic, slow wave EEG pattern is characteristic of hepatic encephalopathy. But it is also seen in other conditions like Encephalopathy secondary to pulmonary or renal failure Acute hydrocephalus Ref :Harrison's Principles of Internal Medicine 21st ed