Measurement of aortic regurgitation at operation.
D000328:Adult; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001027:Aortography; D001783:Blood Flow Velocity; D001795:Blood Pressure Determination; D004562:Electrocardiography; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged