Moments in history. Introduction of left ventricular assistance.
D000818:Animals; D001243:Assisted Circulation / Q000266:history*; D004867:Equipment Design; D006353:Heart-Assist Devices / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000266:history / Q000295:instrumentation; D010106:Oxygenators / Q000266:history; D014481:United States