A hemodynamic measure of aortic regurgitation: half-time of the rate of fall in aortic pressure during diastole.
D001011:Aorta / Q000502:physiology*; D001022:Aortic Valve Insufficiency / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000503:physiopathology; D001794:Blood Pressure; D001795:Blood Pressure Determination; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002932:Cineangiography; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D008722:Methods; D011312:Pressure