Direct current make and break thresholds for pacemaker electrodes on the canine ventricle.
D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D004566:Electrodes; D004594:Electrophysiology; D006329:Heart Conduction System / Q000502:physiology*; D010138:Pacemaker, Artificial; D013997:Time Factors; D016276:Ventricular Function