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
[{'content': 'QT prolongation is seen in all except : \nSelect and explain. \nA. hypothermia, B. digitalis toxicity, C. hypocalcemia, D. hypercalacemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: CONGENITAL LONG QT SYNDROME Due to Genetic defects in K+ channels involved during repolarization. Severe form Includes: I. Jerveu Lange ,ynarome (deafness, syncopal attacks , sudden death ) 2. Romano Ward Syndrome (similar to Jervell Lange syndrome but without deafness ) ACQUIRED *DRUGS *During Sleep *Hypocalcernia *Acute Myocarditis *Acute Mvocadial Infarction * Hypotnermia *HOCM *Cerebral Injury *Adyanced AV Blocks ref : harrisons 21st ed', 'role': 'assistant'}]