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Detecting ventricular fibrillation

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2 Author(s)
Afonso, V.X. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; Tompkins, Willis J.

The short time Fourier transform (STFT), smoothed pseudo Wigner Ville distribution (SPWVD), and cone-shaped kernel distribution (CKD) have been used to compare the time-frequency distribution of normal sinus rhythm, ventricular tachycardia, ventricular flutter, and ventricular fibrillation signals. This work is a pilot study to illustrate that the CKD and SPWVD have better time and frequency resolution than the STFT. It demonstrates that accurate methods of computing the time-frequency domain should be found for ECG signals. Only then should future work be done to design discriminatory features and classifiers for arrhythmias

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Engineering in Medicine and Biology Magazine, IEEE  (Volume:14 ,  Issue: 2 )