IN THIS ARTICLE
What causes cardiomyopathy?
There are many causes of cardiomyopathy that can be categorized in several ways. One method of defining cardiomyopathy is based on the official definition by the American Heart Association (see below), which are broken into two categories, primary and secondary. Another method of categorizing cardiomyopathy causes are extrinsic and intrinsic (which are more commonly used when discussing the disease with patients, family, and caregivers) and are discussed later in this article.
The official definition of cardiomyopathy of the American Heart Association in 2006 is as follows:
"Cardiomyopathies are a heterogeneous group of diseases of the myocardium associated with mechanical and/or electrical dysfunction that usually (but not invariably) exhibit inappropriate ventricular hypertrophy or dilatation and are due to a variety of causes that frequently are genetic. Cardiomyopathies either are confined to the heart or are part of generalized systemic disorders, which may lead to cardiovascular death or progressive heart failure-related disability."
The definition divides heart disease into:
What causes primary cardiomyopathy?
Some of the causes are of primary cardiomyopathy are:
Medically Reviewed by a Doctor on 6/16/2016
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