title: Preoperative management.
mesh_terms: D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D002648:Child; D002675:Child, Preschool; D004632:Emergency Medical Services; D006330:Heart Defects, Congenital / Q000188:drug therapy / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D007223:Infant; D008168:Lung / Q000503:physiopathology; D010808:Physical Examination; D011300:Preoperative Care