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Definition of Dilated cardiomyopathy

Dilated cardiomyopathy: A disorder in which the chambers of the heart are dilated (enlarged) because the heart muscle is weakened and cannot pump effectively. There are many causes, the most common being myocardial ischemia (not enough oxygen supplied to the heart muscle) due to coronary artery disease.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=24226
Last Editorial Review: 6/14/2012

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