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Wavefront detection from intra-atrial recordings

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Author

Summary, in English

The present study deals with detection of intra-atrial wavefronts from atrial activation times in adjacent bipolar electrograms. A statistic of the delays within each wave-front was calculated and served as a basis for quantifying the wavefront consistency as well as the propagation of the electrical activity along the catheter. The database consisted of 19 patients for which five electrograms were recorded simultaneously during 10 s. The analysis resulted in 38plusmn2 complete wavefronts per patient, i.e., wavefronts consisting of one activation from each recording site. Two parameters were evaluated for quantifying wavefront consistency, which together with the propagation profile well reflect the overall wavefront timing. In most cases, electrical activity was observed first in the high septal right atrium, and then spread along the catheter.

Publishing year

2007

Language

English

Pages

97-100

Publication/Series

Computers in Cardiology

Volume

34

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Cardiac and Cardiovascular Systems

Conference name

Computers in Cardiology, 2007

Conference date

2007-09-30 - 2007-10-04

Conference place

Durham, NC, United States

Status

Published

Research group

  • Signal Processing Group

ISBN/ISSN/Other

  • ISSN: 0276-6574
  • ISBN: 978-1-4244-2533-4