Electrophysiological studies in a patient with Friedrich's ataxia.
D000293:Adolescent; D002036:Bundle of His / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D005621:Friedreich Ataxia / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans