Doppler echocardiographic assessment of aortic stenosis using the peak velocity ratio.
Berger
M
M
Department of Medicine, Beth Israel Medical Center, New York, New York 10003.
Hecht
S R
SR
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001024:Aortic Valve Stenosis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D002302:Cardiac Output; D004452:Echocardiography / Q000379:methods*; D006801:Humans; D008875:Middle Aged; D014463:Ultrasonography