title: Stroke volume measurement in animals with pacemaker control of heart rate.
mesh_terms: D000818:Animals; D001013:Aorta, Thoracic; D001783:Blood Flow Velocity; D002302:Cardiac Output; D002306:Cardiac Volume; D003243:Consciousness; D004285:Dogs; D006339:Heart Rate; D008722:Methods; D010138:Pacemaker, Artificial