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cardiomyopathy car·di·o·my·op·a·thy (kär'dē-ō-mī-ŏp'ə-thē)
A disease or disorder of the heart muscle, especially of unknown cause. Also called myocardiopathy.
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.
any cardiac disease process that results in heart failure due to a decrease in the pumping power of the heart or due to an impairment in the filling of the cardiac chambers. Persons with cardiomyopathy frequently retain excess fluid, resulting in congestion of the lungs, and have symptoms of weakness, fatigue, and shortness of breath. Sometimes they develop a potentially fatal arrhythmia, or abnormal heart rhythm