Familial hypertrophic cardiomyopathy and preexcitation.
D000328:Adult; D006332:Cardiomegaly / Q000209:etiology; D002312:Cardiomyopathy, Hypertrophic / Q000235:genetics*; D002648:Child; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000235:genetics*