Changes in the heart in children with progressive muscular dystrophies.
D000293:Adolescent; D006332:Cardiomegaly / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D009136:Muscular Dystrophies / Q000150:complications*