[Surgical findings and pre- and postoperative ECG in ventricular septal defect and in tetralogy of Fallot].
D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology*; D006345:Heart Septal Defects, Ventricular / Q000601:surgery*; D006439:Hemodynamics; D006801:Humans; D013771:Tetralogy of Fallot / Q000601:surgery*