title: The middle child in heart failure: heart failure with mid-range ejection fraction (40-50%).
authors.affiliation: National University Health System, Singapore.
authors.forename: Carolyn S P
authors.initials: CS
authors.lastname: Lam
authors.forename: Scott D
authors.initials: SD
authors.lastname: Solomon
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000209:etiology*; D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D002317:Cardiovascular Agents / Q000627:therapeutic use*; D004452:Echocardiography; D004554:Electric Countershock / Q000379:methods*; D005260:Female; D006333:Heart Failure / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D063868:Patient Outcome Assessment; D015995:Prevalence; D017678:Sex Distribution; D013318:Stroke Volume
chemical_list: D002317:Cardiovascular Agents
keywords: Ejection fraction; heart failure