Development of electric control of cardiac rhythm.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000628:therapy*; D001674:Bioelectric Energy Sources / Q000266:history; D002309:Cardiology / Q000266:history*; D004554:Electric Countershock / Q000266:history; D004558:Electric Stimulation / Q000266:history; D006339:Heart Rate; D049673:History, 20th Century; D006801:Humans; D010138:Pacemaker, Artificial / Q000266:history; D012106:Research / Q000266:history; D014481:United States