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  4. Full Spectral Analysis of the Atrial Components in the ECG during Atrial Fibrillation
 
conference paper

Full Spectral Analysis of the Atrial Components in the ECG during Atrial Fibrillation

van Oosterom, Adriaan  
•
Lemay, Mathieu
•
Kappenberger, Lukas  
2008
Computers in Cardiology 2008
35th Annual Conference on Computers in Cardiology

Clinical standard 12-lead ECG recordings over 5 minutes on patients in atrial fibrillation or in atrial flutter were analyzed. After suppression of the signal components related to ventricular activity, the amplitude spectra of all leads were inspected. The spectrum of lead V1 clearly showed the presence of harmonics of a basic frequency, not necessarily at the modal frequency. The dominant basic frequencies in lead V1 of the patients in atrial fibrillation were (mean +/- SD): 604 +/- 1.1 Hz, range: [3.5 - 8.8] Hz. For lead V6 the values were: 4.79 +/- 1.13 Hz and [3.5-7.7] Hz. In several cases, the spectra suggested the presence of a secondary prominent rhythmic activity This could be verified by scanning the spectra of all leads for the presence of integer multiples of a different basic frequency. Among the standard 12-leads, leads VR, VL and V6 were the ones in which such multiple, prominent basic frequencies were most frequently identified.

  • Details
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Type
conference paper
DOI
10.1109/CIC.2008.4749167
Web of Science ID

WOS:000263940800206

Author(s)
van Oosterom, Adriaan  
Lemay, Mathieu
Kappenberger, Lukas  
Date Issued

2008

Publisher

IEEE

Publisher place

Piscataway, NJ

Published in
Computers in Cardiology 2008
Start page

817

End page

820

Subjects

Model

•

Insights

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTS  
Event nameEvent placeEvent date
35th Annual Conference on Computers in Cardiology

Bologna

September 14-17, 2008

Available on Infoscience
January 8, 2009
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/33298
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