[Left axis deviation developing after surgery of tetralogy of Fallot].
D001145:Arrhythmias, Cardiac / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications; D006801:Humans; D008297:Male; D013771:Tetralogy of Fallot / Q000601:surgery*