title: Limitations of the two-dimensional and three-dimensional proximal isovelocity surface area methods.
authors.forename: Konstantinos
authors.initials: K
authors.lastname: Tsarpalis
mesh_terms: D001783:Blood Flow Velocity; D018618:Echocardiography, Doppler, Color / Q000379:methods*; D019560:Echocardiography, Three-Dimensional / Q000379:methods*; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging* / Q000503:physiopathology*