title: Artificial cardiac pacemakers. I.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000494:pharmacology; D000818:Animals; D002302:Cardiac Output; D004285:Dogs; D004562:Electrocardiography; D004566:Electrodes; D006321:Heart / Q000187:drug effects; D006327:Heart Block / Q000503:physiopathology / Q000628:therapy; D006329:Heart Conduction System / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D008722:Methods; D010138:Pacemaker, Artificial / Q000145:classification / Q000295:instrumentation; D011188:Potassium / Q000494:pharmacology; D011674:Pulse; D012849:Sinoatrial Node / Q000502:physiology; D013566:Sympathomimetics / Q000494:pharmacology
chemical_list: D000305:Adrenal Cortex Hormones; D013566:Sympathomimetics; D011188:Potassium