Hypertrophic Cardiomyopathy (HCM) is a condition in which the muscle of the heart is abnormal in the absence of an apparent cause. Surprisingly, 1 in 500 people have HCM, but unfortunately most of them are currently undiagnosed. HCM is a primary and usually familial cardiac disorder with varied expression, unique pathophysiology, and a diverse clinical course. While HCM has typically been...