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# BSL PRO Lesson H32 - Biopac

BSL PRO Lesson H32 - Biopac

## BSL PRO Lesson H32 -

Updated 7.20.12 BSL PRO Lesson H32: Heart Rate Variability Analysis This PRO Lesson describes basic and advanced heart rate variability measurements and details hardware and software setup of the BSL PRO software to record ECG. All data collection and analysis is done via the BIOPAC MP36/MP35/MP30/MP45 data acquisition unit and the Biopac Student Lab PRO software. Objective This PRO Lesson will explain statistical measures, geometric measures, and spectral analysis in heart rate variability studies. Statistical Measures: Geometric Measures: Spectral Analysis: NN50 count, PNN50, RMSDD, SDANN, SDSD HRV triangular index, TINN 5-min total power (ms ), HF (ms 2 ), LF (ms 2 ), HLF morm (n.u.), LF norm (n.u.), LF.HF ratio, VLF (ms 2 ) Definitions 5-min total power (ms ) HF (ms 2 ) HF norm (n.u) HRV triangular index Variance of NN intervals over the temporal segment (5 minutes). Power in high frequency range (0.15-0.4 Hz) HF/(Total Power - VLF) x 100 Integral of the density distribution divided by the maximum of the density distribution. www.biopac.com Page 1 of 16

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