title: [How to evaluate the function of the prosthetic valve in the aortic position?].
authors.affiliation: Department of Cardiology, Kartal Koşuyolu Heart and Research Hospital, İstanbul, Turkey. memoozkan1@gmail.com
authors.forename: Mehmet
authors.initials: M
authors.lastname: Ozkan
authors.forename: Sabahattin
authors.initials: S
authors.lastname: Gündüz
mesh_terms: D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging* / Q000601:surgery*; D004452:Echocardiography; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011475:Prosthesis Failure