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Friday, 05 January 2018 13:03

What is Hypertrophic Cardiomyopathy?

What is Hypertrophic Cardiomyopathy? http://circ.ahajournals.org/

Hypertrophic Cardiomyopathy (HCM) occurs if heart muscle cells enlarge and cause the walls of the ventricles (usually the left ventricle) to thicken. The ventricle size often remains normal, but the thickening may block blood flow out of the ventricle. If this happens, the condition is called obstructive hypertrophic cardiomyopathy.

Hypertrophic cardiomyopathy often goes undiagnosed because many people with the disease have few, if any, symptoms and can lead normal lives with no significant problems. However, in a small number of people with HCM, the thickened heart muscle can cause shortness of breath, chest pain or problems in the heart's electrical system, resulting in life-threatening abnormal heart rhythms (arrhythmias).

Many people with HCM have no symptoms or only minor symptoms, and live a normal life. Other people develop symptoms, which progress and worsen as heart function worsens.

Symptoms of HCM can occur at any age and may include:

  • Angina - Chest pain or pressure
  • Shortness of breath
  • Fatigue
  • Fainting
  • Palpitations (fluttering in the chest)
  • Sudden death (occurs in a small number of patients with HCM)

Causes

Hypertrophic cardiomyopathy is most often passed down through families (inherited). It is thought to result from defects in the genes that control heart muscle growth.
Younger people are likely to have a more severe form of hypertrophic cardiomyopathy. However, the condition is seen in people of all ages.

 

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