title: FAILURE OF INTEGRATED CARDIAC ACTION AT SUPERNORMAL HEART RATES.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001794:Blood Pressure; D006328:Cardiac Catheterization; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D005263:Femoral Artery; D006321:Heart; D006329:Heart Conduction System; D006339:Heart Rate; D010827:Physiology; D011674:Pulse; D012106:Research; D013610:Tachycardia
keywords: ADAPTATION, PHYSIOLOGICAL; BLOOD PRESSURE; DOGS; ELECTRIC STIMULATION; ELECTROCARDIOGRAPHY; EXPERIMENTAL LAB STUDY; FEMORAL ARTERY; HEART CATHETERIZATION; HEART CONDUCTION SYSTEM; HEART RATE; PHYSIOLOGY; PULSE; TACHYCARDIA