Role of tachycardia in mediating the coronary hemodynamic response to severe exercise.
D000818:Animals; D001783:Blood Flow Velocity / Q000295:instrumentation; D001794:Blood Pressure; D003326:Coronary Circulation; D004285:Dogs; D006339:Heart Rate; D005082:Physical Exertion; D013610:Tachycardia / Q000503:physiopathology*; D014159:Transducers; D014655:Vascular Resistance