Merck Manual

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Overview of Cardiomyopathy

By

Tisha Suboc

, MD, Rush University

Reviewed/Revised Jan 2024
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Cardiomyopathy refers to progressive impairment of the structure and function of the muscular walls of the heart chambers.

There are 3 main types of cardiomyopathy:

The Heart
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The main types of cardiomyopathy may overlap, that is, people may have features of more than one type.

Types of Cardiomyopathy

There are 3 main types of cardiomyopathy—dilated, hypertrophic, and restrictive.

Types of Cardiomyopathy

Cardiomyopathy can be caused by many disorders, or it may have no identifiable cause.

Treatment depends on the specific type and cause of cardiomyopathy.

More Information

The following English-language resources may be useful. Please note that THE MANUAL is not responsible for the content of these resources.

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