Intraaortic balloon pumping.
D001243:Assisted Circulation; D002304:Cardiac Pacing, Artificial; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D006327:Heart Block / Q000209:etiology / Q000628:therapy; D006801:Humans; D007423:Intra-Aortic Balloon Pumping; D009203:Myocardial Infarction / Q000150:complications / Q000628:therapy*; D010865:Pilot Projects; D013997:Time Factors