Health topic · Cardiology

Cardiomyopathy

MedlinePlus, National Library of Medicine · Retrieved 2026-10-13

Cardiomyopathy is the name for diseases of the heart muscle. These diseases enlarge your heart muscle or make it thicker and more rigid than normal. In rare cases, scar tissue replaces the muscle tissue. Some people live long, healthy lives with cardiomyopathy. Some people don't even realize they have it. In others, however, it can make the heart less able to pump blood through the body. This can cause serious complications, including: • Heart failure • Abnormal heart…

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Reference details

MedlinePlus topic groups
Blood, Heart and Circulation
Also called
Arrhythmogenic right ventricular cardiomyopathy; Dilated cardiomyopathy; Hypertrophic cardiomyopathy; Myocardiopathy; Restrictive cardiomyopathy
MeSH terms
Cardiomyopathies
XML release date
10/13/2026 02:30:36

Overview

Cardiomyopathy is the name for diseases of the heart muscle. These diseases enlarge your heart muscle or make it thicker and more rigid than normal. In rare cases, scar tissue replaces the muscle tissue. Some people live long, healthy lives with cardiomyopathy. Some people don't even realize they have it. In others, however, it can make the heart less able to pump blood through the body. This can cause serious complications, including: • Heart failure • Abnormal heart rhythms • Heart valve problems • Sudden cardiac arrest (SCA) Heart attacks, high blood pressure, infections, and other diseases can all cause cardiomyopathy. Some types of cardiomyopathy run in families. In many people, however, the cause is unknown. Treatment might involve medicines, surgery, other medical procedures, and lifestyle changes. NIH: National Heart, Lung, and Blood Institute

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Retrieved: 2026-10-13. Text has been organized for reading; this import has not been independently reviewed by a clinician. It is not individualized medical advice.
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