title: Elevated nighttime heart rate due to insufficient circadian adaptation detects heart failure patients prone for malignant ventricular arrhythmias.
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece. Electronic address: arspetr@otenet.gr.
authors.forename: Petros
authors.initials: P
authors.lastname: Arsenos
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Konstantinos A
authors.initials: KA
authors.lastname: Gatzoulis
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Theodoros
authors.initials: T
authors.lastname: Gialernios
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Polychronis
authors.initials: P
authors.lastname: Dilaveris
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Dimitrios
authors.initials: D
authors.lastname: Tsiachris
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Stefanos
authors.initials: S
authors.lastname: Archontakis
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Apostolos-Ilias
authors.initials: AI
authors.lastname: Vouliotis
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Leonidas
authors.initials: L
authors.lastname: Raftopoulos
authors.affiliation: Department of Computer Science and Engineering, University of Ioannina, Ioannina, Greece.
authors.forename: George
authors.initials: G
authors.lastname: Manis
authors.affiliation: First Department of Cardiology, Medical School, National and Kapodistrian, University of Athens, Athens, Greece.
authors.forename: Christodoulos
authors.initials: C
authors.lastname: Stefanadis
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000368:Aged; D000369:Aged, 80 and over; D002940:Circadian Rhythm / Q000502:physiology*; D005260:Female; D005500:Follow-Up Studies; D006333:Heart Failure / Q000175:diagnosis / Q000503:physiopathology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D017180:Tachycardia, Ventricular / Q000175:diagnosis / Q000503:physiopathology*
keywords: Arrhythmic sudden cardiac death; Autonomic nervous system; Circadian rhythms; Night heart rate; Nighttime Heart Rate Adaptation