Mayo Clinic Minute - Know the warning signs of hypertrophic cardiomyopathy

It's often a silent but can be a deadly killer. Hypertrophic cardiomyopathy is a genetic condition that occurs 1 in 500 people.

Dr. Said Alsidawi, a Mayo Clinic cardiologist, says the problem is that many people don't even know they have it because they have no symptoms. And in 20% of cases, the first presentation is sudden cardiac death.
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