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. Last Editorial Review: 6/14/2012 Back to MedTerms online medical dictionary A-Z List 
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