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Detection of autonomic modulation in permanent atrial fibrillation

In English

Författare

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.

Publiceringsår

2003

Språk

Engelska

Sidor

625-629

Publikation/Tidskrift/Serie

Medical & Biological Engineering & Computing

Volym

41

Issue

6

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Other Medical Engineering

Nyckelord

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

Status

Published

Forskningsgrupp

  • Signal Processing

ISBN/ISSN/Övrigt

  • ISSN: 0140-0118