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An Efficient Algorithm for Spectral Analysis of Heart Rate Variability

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4 Author(s)
Berger, R.D. ; Harvard-M.I.T. Division of Health Sciences and Technology and the Department of Electrical Engineering, Massachusetts Institute of Technology ; Akselrod, S. ; Gordon, David ; Cohen, R.J.

We present a simple efficient algorithm for the derivation of a heart rate signal from the electrocardiogram. We demonstrate that the amplitude spectrum of this heart rate signal more closely matches that of the input signal to an integral pulse frequency modulation (IPFM) model of the heart's pacemaker than do the spectra of other ECG-derived heart rate signals. The applicability of this algorithm in cross-spectral analysis between heart rate and other physiologic signals is also discussed.

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Biomedical Engineering, IEEE Transactions on  (Volume:BME-33 ,  Issue: 9 )