Marked heart involvement in Becker's type muscular dystrophy.
D000328:Adult; D009202:Cardiomyopathies / Q000209:etiology* / Q000473:pathology; D006333:Heart Failure / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D009136:Muscular Dystrophies / Q000150:complications* / Q000235:genetics; D009206:Myocardium / Q000473:pathology