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': 'A 26 year old man died suddenly during spoing activity. At autopsy the hea revealed chamber and septum Hyperophy. The most likely diagnosis is \nSelect and explain. \nA. HOCM, B. DCM, C. Arrhythmogenic cardiac problem, D. Restrictive cardiomyopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A. (HOCM): Sudden death following competitive spos in young individuals is characteristic of hyperophic obstructive cardiomyopathy (HOCM). The presence of chamber and septal hyperophy on autopsy confirms the suspected diagnosis of HOCM', 'role': 'assistant'}]