Invention Grant
US08352020B2 Method for processing a series of cardiac rhythm signals (RR) and the use thereof for analysing a cardiac rhythm variability, in particular for assessing a patient's pain or stress 有权
用于处理一系列心律信号(RR)的方法及其用于分析心律变异性的用途,特别是用于评估患者的疼痛或压力

Method for processing a series of cardiac rhythm signals (RR) and the use thereof for analysing a cardiac rhythm variability, in particular for assessing a patient's pain or stress
Abstract:
The inventive method for processing an RR series comprises a plurality of (RR) samples representing time intervals (dti) between two successive heart beats or the inverse (1/dti) of said time intervals consists in selecting (N) (RRi) samples in a main time window having a predetermined length (n), in cutting said main window into (m) subwindows (Fj), in calculating an intermediate parameter (A1) for each subwindow (Fj) on the basis of the (RRi) samples contained in the subwindow (Fj) and in calculating a final parameter as a function of the intermediate parameters (Aj). The invention is used for analysing a cardiac rhythm variability, in particular for assessing a patient's pain or stress.
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