title: Cardiac abnormalities in Friedreich's ataxia patients and first-degree relatives. Evidence of hypertrophic cadiomyopathy in obligate heterozygotes.
mesh_terms: D000328:Adult; D000368:Aged; D009202:Cardiomyopathies / Q000150:complications / Q000235:genetics*; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D005621:Friedreich Ataxia / Q000150:complications / Q000235:genetics*; D006579:Heterozygote; D006801:Humans; D006984:Hypertrophy; D008297:Male; D008875:Middle Aged