hypertrophic cardiomyopathy (hcm) is an inherited cardiac condition which affects approximately 1 in 500 people. it results in abnormal thickening of the heart muscle and increases the risk of symptoms like shortness of breath and dizziness as well as potentially lethal cardiac arrhythmias. hcm is the number one cause of sudden death in young athletes.
what is hypertrophic cardiomyopathy (hcm)?