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
All are true regarding hyperophic cardiomyopathy except- 
Select and explain. 
A. Digoxin is helpful, B. Irregular thickness of septa, C. Dynamic obstruction, D. Double apical impulse
A: Digoxin is helpful
Answer: A: Digoxin is helpful 
Explanation: Ref :Harrison's 19th E pg 1568 Digoxin increases the contractility of hea. As contractility increases there is higher chance of obstruction, as the hyperophied septum comes in proximity with the anterior leaflet of the mitral Valve.