title: The A-dip of aortic regurgitation.
abstract: Careful analysis of the aortic regurgitation (AR) Doppler signal often provides important information regarding left heart hemodynamics. Here we illustrate a pattern on the AR signal, known as the A-dip that suggests the presence of elevated LVEDP.
authors.affiliation: King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia.
authors.forename: Bahaa M
authors.initials: BM
authors.lastname: Fadel
authors.forename: Dalia
authors.initials: D
authors.lastname: Ahmed
authors.forename: Bader
authors.initials: B
authors.lastname: Almahdi
authors.forename: Giovanni
authors.initials: G
authors.lastname: Di Salvo
mesh_terms: D000328:Adult; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D001783:Blood Flow Velocity; D003971:Diastole; D004452:Echocardiography; D005260:Female; D006439:Hemodynamics; D006801:Humans