This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Austin flint murmur is a: September 2009 \nSelect and explain. \nA. Pansystolic murmur, B. Midsystolic murmur, C. Middiatolic murmur, D. Continuous murmur', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Middiatolic murmur Pansystolic murmur is a regurgitant murmur heard throughout systole. It accompanies MR, TR or VSD', 'role': 'assistant'}]