Publication details

Time-Frequency Analysis of Electrocardiograms

Authors

PROVAZNÍK Ivo KOZUMPLÍK Jiří BARDOŇOVÁ Jana NOVÁKOVÁ Marie NOVÁKOVÁ Zuzana

Year of publication 2003
Type Article in Periodical
Magazine / Source Physician and Technology (Lékař a technika)
MU Faculty or unit

Faculty of Medicine

Citation
Field Physiology
Keywords wavelet transform; time-frequency analysis; signal detection; ECG signal; isolated heart; moycardial ischemia
Description The paper deals with the time-frequency analysis of ECG signals using the wavelet transform (WT). Reasons for WT implementation are justified. The electrical activity of 11 rabbit isolated hearts was recorded before and during myocardial acute ischemia. The recorded data were analysed using WT. The results show that under experimental condition myocardial ischemia can be reliably detected within one minute after coronary artery occlusion.

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