Counterpulsation: external or intra-aortic.
D001243:Assisted Circulation / Q000379:methods*; D006439:Hemodynamics; D006801:Humans; D007423:Intra-Aortic Balloon Pumping; D007866:Leg / Q000098:blood supply; D009203:Myocardial Infarction / Q000628:therapy*; D010347:Patient Care Planning; D011312:Pressure