The artificial heart.
D000818:Animals; D003971:Diastole; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D016027:Heart Transplantation; D006354:Heart, Artificial / Q000266:history / Q000451:nursing; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000295:instrumentation; D011182:Postoperative Care; D011183:Postoperative Complications; D011300:Preoperative Care; D013599:Systole; D014481:United States