title: Heart failure with a normal ejection fraction: new developments.
authors: Gabriel Wai-Kwok
authors: GW
authors: Yip
authors: Michael
authors: M
authors: Frenneaux
authors: John E
authors: JE
authors: Sanderson
mesh_terms: D025401:Echocardiography, Stress; D005080:Exercise Test; D006333:Heart Failure / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D013318:Stroke Volume / Q000502:physiology