title: Examining the concept of preserved systolic function.
authors.forename: Kenneth M
authors.initials: KM
authors.lastname: Kessler
mesh_terms: D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D013318:Stroke Volume; D013599:Systole; D016277:Ventricular Function, Left / Q000502:physiology