This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypertrophic cardiomyopathy, Subject name: Medicine
Drug contraindicated in HOCM is? 
Select and explain. 
A. Verapamil, B. Propranolol, C. Digoxin, D. None of the above
C: Digoxin
Answer: C: Digoxin 
Explanation: ANSWER: (C) DigoxinREF: Harrisons Principles of Internal Medicine 17th edition chapter 231Repeat in December 2010"Digoxin is contraindicated in hypertrophic cardiomyopathy and in patients with AV conduction blocks"