Sampling frequency of the electrocardiogram for spectral analysis of the heart rate variability

  title={Sampling frequency of the electrocardiogram for spectral analysis of the heart rate variability},
  author={M. Merri and D. C. Farden and J L Mottley and E. L. Titlebaum},
  journal={IEEE Transactions on Biomedical Engineering},
A model is developed to describe and quantitate the error in R-R interval measurement due to the finite sampling frequency. The measured R-R interval is modeled as the sum of the true R-R interval and the error measurement. The first- and second-order statistics of the error are computed in order to investigate its influence on the heart-rate-variability (HRV) power spectrum. The statistics are found to be functions only of the ECG sampling frequency, and it is shown that the power spectrum of… CONTINUE READING

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