other conditions which are known to be associated with sudden death include : dilated or congestive cardiomyopathy , hypertrophic cardiomyopathy , mitral valve prolapse , valvular heart disease , wolff-parkinson-white syndrome , myocarditis , congenital heart disease , electrolyte abnormalities , long qt syndromes , proarrhythmic effects of drugs , and less common conditions such as myocardial tumors and pulmonary hypertension .
C0007193
congestive cardiomyopathy
C0878544
conditions