Defining asymmetry in heart rate variability signals using a Poincaré plot.


The asymmetry in heart rate variability is a visibly obvious phenomenon in the Poincaré plot of normal sinus rhythm. It shows the unevenness in the distribution of points above and below the line of identity, which indicates instantaneous changes in the beat to beat heart rate. The major limitation of the existing asymmetry definition is that it considers… (More)
DOI: 10.1088/0967-3334/30/11/007

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