Wavelet based R-peak detection for heart rate variability studies.

Abstract

Detection of QRS complex in electrocardiogram (ECG) signals is of immense importance in cardiac health prognosis. In this paper a new symmetric wavelet for detection of R-peak is presented, which has been designed based on spectral characteristics and morphology of QRS complex. The detection of R-peak was carried out using this designed wavelet, and with existing symmetric wavelets such as db3, db6, haar and bior2.2. The detection accuracy with this wavelet is 99.99%, which is higher than those with existing symmetric wavelets. The algorithm has been tested on standard databases such as Fantasia database of normal and healthy subjects, MIT/BIH (Massachusetts Institute of Technology/Beth Israel Hospital) arrhythmia database, and on self-recorded electrocardiograms of normal subjects and patients under diseased stress. The study of heart rate variability (HRV) through computation of RR-tachogram using the new wavelet has proved to be effective in reliably evaluating HRV parameters.

DOI: 10.3109/03091900903281215
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@article{Sunkaria2010WaveletBR, title={Wavelet based R-peak detection for heart rate variability studies.}, author={Ramesh Kumar Sunkaria and S. C. Saxena and Vineet Kumar and Anshu M Singhal}, journal={Journal of medical engineering & technology}, year={2010}, volume={34 2}, pages={108-15} }