ELECTRICAL STIMULATION OF THE HEART.
D000818:Animals; D002318:Cardiovascular Diseases; D004285:Dogs; D004558:Electric Stimulation; D006327:Heart Block; D010138:Pacemaker, Artificial; D012106:Research; D014693:Ventricular Fibrillation
DOGS; EXPERIMENTAL LAB STUDY; HEART BLOCK; PACEMAKER, ARTIFICIAL; VENTRICULAR FIBRILLATION