Recording of A-V nodal activity in the intact dog heart.
D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D004566:Electrodes; D004594:Electrophysiology; D006329:Heart Conduction System / Q000502:physiology*; D008722:Methods; D010138:Pacemaker, Artificial; D014630:Vagus Nerve / Q000502:physiology