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Detection of autonomic modulation in permanent atrial fibrillation

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Author

Summary, in English

A new signal processing method for the detection of cyclic variations in atrial fibrillation frequency is presented. The objective was to investigate whether or not respiration, through the autonomic nervous system, modulates the fibrillation frequency in patients with permanent atrial fibrillation. A group of eight patients with permanent atrial fibrillation, atrioventricular block III and a permanent pacemaker were studied during rest, rhythm-controlled respiration, with each breath lasting for 8 s (i.e. a breathing frequency of 0.125 Hz), and rhythm-controlled respiration after full vagal blockade by atropine. Using the new method, a spectral peak could be detected, in two of the patients, at the breathing frequency during rhythm-controlled respiration then disappeared after injection of atropine.

Publishing year

2003

Language

English

Pages

625-629

Publication/Series

Medical & Biological Engineering & Computing

Volume

41

Issue

6

Document type

Journal article

Publisher

Springer

Topic

  • Other Medical Engineering

Keywords

  • respiration
  • ECG signal processing
  • atrial fibrillation
  • autonomic
  • modulation

Status

Published

Research group

  • Signal Processing

ISBN/ISSN/Other

  • ISSN: 0140-0118