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': 'Which of the following drugs are contraindicated in HOCM (ABE) \nSelect and explain. \nA. Verepamil, B. Propanalol, C. Digoxin, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Digoxin) Digitalis is contraindicated in hyperophic obstructive cardiomyopathy (HOCM). Digitalis causes an increase in myocardial contractility, which increases the degree of obstruction in HOCM and worsens the condition.', 'role': 'assistant'}]