title: Function, failure, and frailty.
authors.forename: Sarah J
authors.initials: SJ
authors.lastname: Goodlin
mesh_terms: D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D016330:Frail Elderly; D015577:Geriatric Assessment; D006333:Heart Failure / Q000000981:diagnostic imaging / Q000401:mortality* / Q000503:physiopathology; D006801:Humans; D007866:Leg / Q000098:blood supply* / Q000502:physiology; D011379:Prognosis; D014463:Ultrasonography