underlying heart disease was : dilated cardiomyopathy in 11 , old myocardial infarction in 5 , ischemic heart disease in 5 , hypertensive heart disease in 5 , valvular heart disease in 3 , hypertrophic cardiomyopathy in 2 , arrhythmogenic right ventricular dysplasia in 1 , myocarditis in 1 , sarcoidosis in 1 , cor pulmonale in 1 , and no obvious heart disease in 4 .
C0018799
heart disease
C0018824
valvular heart disease