“The doctor confirmed today that Caleb passed away from a heart condition called Hypertrophic Cardiomyopathy that went undetected in his yearly checkups,” Caleb’s mom Annie writes in an Instagram post ...

About 1 in 500 people have hypertrophic cardiomyopathy (HCM). It's a condition where the heart muscle becomes abnormally thick. HCM is one of the most common causes of sudden death among young ...

Hypertrophic cardiomyopathy (HCM) thickens the left ventricular muscle, which can limit pumping and relaxation. Many people have no symptoms or only notice issues during exercise. Inherited gene ...

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The hearts of people with hypertrophic cardiomyopathy are thicker, and must beat more forcefully to pump out blood into the body. This can lead to a variety of symptoms, which may appear only ...