[Recurrent total atrio-ventricular block during replacement of the aortic valve in a young child].
D001021:Aortic Valve / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery; D001705:Bioprosthesis; D002675:Child, Preschool; D001026:Coronary Artery Bypass; D006327:Heart Block / Q000209:etiology*; D006350:Heart Valve Prosthesis; D006801:Humans; D007431:Intraoperative Complications; D008297:Male