title: Letter regarding article by Adamson et al, "Continuous autonomic assessment in patients with symptomatic heart failure: prognostic value of heart rate variability measured by an implanted cardiac resynchronization device".
authors: Satish R
authors: SR
authors: Raj
authors: Daniel E
authors: DE
authors: Roach
authors: Robert S
authors: RS
authors: Sheldon
mesh_terms: D000203:Activities of Daily Living; D001341:Autonomic Nervous System / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial; D006333:Heart Failure / Q000175:diagnosis* / Q000401:mortality; D006339:Heart Rate; D006801:Humans; D011379:Prognosis