title: Congestive heart failure with normal ejection fraction.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging*; D006333:Heart Failure / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D013318:Stroke Volume