Dilated cardiomyopathy involves stretching of the heart muscle and expansion of the pumping chambers (ventricles). It is the most common type of cardiomyopathy. The heart muscle is weakened and cannot pump blood efficiently. Decreased heart function affects the lungs, liver, and other body systems.
- Last Reviewed on 01/25/2013
- Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.
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