This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Medicine
[{'content': 'QT prolongation is seen in all, EXCEPT- \nSelect and explain. \nA. Hypothermia, B. Digitalis toxicity, C. Hypocalcemia, D. Romano wand syndrome', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e Digitalis * QT interval is shortened in digitalis toxicity", 'role': 'assistant'}]