Cardiomyopathy definition

A disease or disorder of the heart muscle, especially of unknown or obscure cause.

Any of various diseases of the heart muscle.

A disease or disorder of the heart muscle, especially of unknown or obscure cause.

Any of various structural or functional abnormalities of the cardiac muscle, usually characterized by loss of muscle efficiency and sometimes heart failure. Cardiomyopathy can result from numerous causes, including congenital defects, acute or chronic infections, coronary artery disease, drugs and toxins, metabolic disorders, connective tissue disorders, or nutritional deficiencies. In some patients, the cause is unknown.