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Shape characterization of atrial fibrillation using time-frequency analysis

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Author

Summary, in English

A new method for characterization of atrial fibrillation in the surface ECG is presented which is based on a time-frequency distribution of the QRST-cancelled signal. With the present method, information regarding temporal variations in fibrillation frequency and waveform shape is extracted and investigated. The method is evaluated on a database including 182 recordings (obtained during resting conditions) from patients diagnosed with atrial fibrillation. The results show that a high fibrillation frequency often is associated with a sinusoidal shape whereas a low frequency is more associated with a sawtooth-like shape.

Publishing year

2002

Language

English

Pages

17-20

Publication/Series

Computers in Cardiology

Volume

29

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Atrial fibrillation

Conference name

Computers in Cardiology 2002

Conference date

2002-09-22 - 2002-09-25

Conference place

Memphis, TN, United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 0276-6574
  • CODEN: COCADX