Percutaneous intra-aortic balloon counterpulsation.
D000328:Adult; D000368:Aged; D000789:Angina, Unstable / Q000628:therapy; D000818:Animals; D006348:Cardiac Surgical Procedures; D004562:Electrocardiography; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods; D008875:Middle Aged; D009203:Myocardial Infarction / Q000628:therapy; D011300:Preoperative Care; D012770:Shock, Cardiogenic / Q000628:therapy