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Pediatric Hypertrophic Cardiomyopathy (HCM)

The Heart Center at Children’s Health has been designated as a Center of Excellence by the Hypertrophic Cardiomyopathy Association (HCMA) , making it one of 30 Centers of Excellence nationwide and the first designated center in North Texas.

What is Pediatric Hypertrophic Cardiomyopathy (HCM)?

Hypertrophic Cardiomyopathy (HCM), also known as idiopathic hypertrophic subaortic stenosis (IHSS), is a genetic disease that leads to thickening of the heart muscle. It is usually asymmetrical, meaning one side of the heart is thicker than the other.

a normal heart compared to a heart with hypertrophic cardiomyopathy

What are the signs and symptoms of Pediatric Hypertrophic Cardiomyopathy (HCM)?

  • Shortness of breath
  • Chest pain
  • Abnormal heart rhythms (arrhythmia)

Frequently Asked Questions

  • How common is hypertrophic cardiomyopathy (HCM)?

    Hypertrophic cardiomyopathy (HCM) is the most common genetic heart condition, affecting about 1 in every 300 people in the U.S., or more than 1 million people.