This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
All are true about hyperophic obstructive cardiomyopathy, except 
Select and explain. 
A. Beta agonists are used, B. Asymmetrical hyperophy of septum, C. Sudden death may occur, D. Condition improves on passive leg raising
A: Beta agonists are used
Answer: A: Beta agonists are used 
Explanation: Ref Harrison 19 th ed pg 1569 HYPEROPHIC CARDIOMYOPATHY Management focuses on treatment of symptoms and prevention of sudden death and stroke . Left ventricular outflow tract obstruction can be controlled medically in the majority of patients. b-Adrenergic blocking agents and L-type calcium channel block- ers (e.g., verapamil) are first-line agents that reduce the severity of obstruction by slowing hea rate, enhancing diastolic filling, and decreasing contractility