title: The ratio of post-valvular aorta to valvular orifice cross-sectional areas: a new haemodynamic index of clinical importance in patients with aortic stenosis?
authors.forename: K
authors.initials: K
authors.lastname: Isaaz
mesh_terms: D001011:Aorta / Q000473:pathology*; D001021:Aortic Valve / Q000473:pathology*; D001024:Aortic Valve Stenosis / Q000473:pathology* / Q000503:physiopathology; D006328:Cardiac Catheterization; D006439:Hemodynamics; D006801:Humans