Nursing care study: the intra-aortic balloon pump in left ventricular failure.
D001013:Aorta, Thoracic; D001243:Assisted Circulation / Q000379:methods*; D006348:Cardiac Surgical Procedures / Q000451:nursing; D006322:Heart Aneurysm / Q000601:surgery; D006333:Heart Failure / Q000451:nursing*; D006801:Humans; D008297:Male; D008875:Middle Aged