The coherence spectrum in an experimental model of ventricular fibrillation

Author

Sierra, Gilberto ; Catrera, A. ; Martinez-Rubio, Antonio ; Fetsch, Thomas ; Reinhardt, Lutz ; Shenasa, Hosseh ; Breithardt, Giinter

Author_Institution

Med. Klinik und Poliklinik, Westfalischen Wilhelms-Univ., Munster, Germany

Volume

1

fYear

1995

fDate

20-25 Sep 1995

Firstpage

281

Abstract

The present paper investigated the use of the coherence spectrum as a method able to discriminate ventricular fibrillation and nonfibrillatory rhythms, when applied to the surface ECG in an animal experiment using rabbits. The magnitude-squared coherence function was calculated using three and five segments averaged and compared with a threshold; if it is greater than the threshold it is a nonfibrillatory rhythm otherwise it is ventricular fibrillation. The sensitivity and specificity obtained in this study encourage the extension of this technique to the analysis of the surface ECGs in humans

Keywords

electrocardiography; medical signal processing; pattern recognition; spectral analysis; animal experiment; coherence spectrum; humans; magnitude-squared coherence function; nonfibrillatory rhythms; rabbits; segments; sensitivity; specificity; surface ECG; threshold; ventricular fibrillation; Animals; Cardiology; Coherence; Electrocardiography; Fibrillation; Heart; Hospitals; Noise measurement; Rabbits; Rhythm;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference

Conference_Location

Montreal, Que.

Print_ISBN

0-7803-2475-7

Type

conf

DOI

10.1109/IEMBS.1995.575110

Filename

575110