title: Heart rate variability and cardiac failure.
authors.forename: J
authors.initials: J
authors.lastname: Nolan
authors.forename: K A
authors.initials: KA
authors.lastname: Fox
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D015716:Electrocardiography, Ambulatory; D005260:Female; D006333:Heart Failure / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D016016:Proportional Hazards Models; D012306:Risk