title: Variation in Doppler-derived stenotic aortic valve area during ejection.
authors.affiliation: Steele Memorial Children's Research Center, University Heart Center, Tucson, AZ.
authors.forename: T R
authors.initials: TR
authors.lastname: Lloyd
mesh_terms: D000293:Adolescent; D001021:Aortic Valve / Q000000981:diagnostic imaging; D001024:Aortic Valve Stenosis / Q000151:congenital / Q000000981:diagnostic imaging*; D002648:Child; D015150:Echocardiography, Doppler; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013318:Stroke Volume / Q000502:physiology