Tags: Disease.
Dilated cardiomyopathy or DCM is a condition in which the heart becomes weakened and enlarged and cannot pump blood efficiently. The decreased heart function can affect the lungs liver and other body systems.DCM is one of the cardiomyopathies a group of diseases that affect primarily the myocardium (the muscle of the heart). Different cardiomyopathies have different causes and affect the heart in different ways. In DCM a portion of the myocardium is dilated often without any obvious cause.