Angiographic estimation of the size of the aortic valve annulus.
D000886:Anthropometry; D001021:Aortic Valve / Q000000981:diagnostic imaging* / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery; D002114:Calcinosis / Q000000981:diagnostic imaging; D002932:Cineangiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008722:Methods; D008943:Mitral Valve / Q000601:surgery; D011446:Prospective Studies; D013679:Technology, Radiologic