Diurnal variations of the ventricular pacing threshold in patients with cardiac pacemakers are not related to changes in autonomic tone.
Schuchert
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Department of Cardiology, University-Hospital Eppendorf, Hamburg, Germany. schuchert@uke.unihamburg.de
Behrens
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Meinertz
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D000368:Aged; D001341:Autonomic Nervous System / Q000502:physiology*; D002304:Cardiac Pacing, Artificial; D002940:Circadian Rhythm / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012984:Software