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Continuous monitoring of the sympatho-vagal balance through spectral analysis

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5 Author(s)
Bianchi, A.M. ; Lab. of Biomed. Eng, Rolfaele Hosp., Milan, Italy ; Mainardi, L.T. ; Meloni, C. ; Chierchiu, S.
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The activity of the autonomic nervous system is noninvasively studied by means of autoregressive (AR) frequency analysis of the heart-rate variability (HRV) signal. Some methods of noise rejection and robustness for AR recursive identification are presented that make on-line frequency analysis of the heart-rate variability signal more reliable. The performance of the algorithms is first tested through simulations, and then results obtained on real data during ischemic episodes are presented

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Engineering in Medicine and Biology Magazine, IEEE  (Volume:16 ,  Issue: 5 )