Transcutaneous measurement of aortic regurgitation with a Doppler velocitometer.
D000818:Animals; D001022:Aortic Valve Insufficiency / Q000175:diagnosis*; D001783:Blood Flow Velocity / Q000379:methods*; D001026:Coronary Artery Bypass; D004195:Disease Models, Animal; D004285:Dogs; D014463:Ultrasonography