title: Severe aortic stenosis with low gradient and apparently preserved left ventricular systolic function--under-recognized or overdiagnosed?
authors.forename: Frank A
authors.initials: FA
authors.lastname: Flachskampf
mesh_terms: D000208:Acute Disease; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging*; D004452:Echocardiography / Q000592:standards; D006801:Humans; D013318:Stroke Volume / Q000502:physiology; D013599:Systole / Q000502:physiology; D016277:Ventricular Function, Left / Q000502:physiology*