Spectral analysis of T wave alternans signal
18th Annual International Conference of IEEE Engineering-in-Medicine-amd-Biology-Society, Amsterdam, Hollanda, 31 Ekim - 03 Kasım 1996, cilt.18, ss.1353-1354, (Tam Metin Bildiri)
- Yayın Türü: Bildiri / Tam Metin Bildiri
- Cilt numarası: 18
- Basıldığı Şehir: Amsterdam
- Basıldığı Ülke: Hollanda
- Sayfa Sayıları: ss.1353-1354
- Orta Doğu Teknik Üniversitesi Adresli: Evet
Özet
T wave alternans signal was obtained from a patient who recently recovered from ventricular fibrillation. The power spectrum of the T wave alternans is computed using an Autoregressive model based technique. The signal is found to be a sinusoid at a frequency equal to the half of the heart rate and amplitude modulated with another sinusoid at a lower frequency. Relation between the spectrums of the T wave alternance signal and the RR variation signal is also discussed.