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What exactly is dilated cardiomyopathy (DCM)?

April 26, 2017cardiomyopathy DCM dilated

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What exactly is dilated cardiomyopathy (DCM)?

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DCM defines a condition where the heart muscle (myocardium) becomes very thin and is unable to contract normally. Since the myocardium cannot work effectively to pump blood out of the heart, the heart becomes enlarged. Subsequent back up of blood into the left atrium and ultimately into the lungs occurs commonly. This back up of blood into the lungs results in pulmonary edema and is a sign of congestive heart failure.