Zipf's law in human heartbeat dynamics

Details Zipf's law in human heartbeat dynamics Zipf's law in human heartbeat dynamics

2001-10-26

arxiv.org/abs/physics/0110075v1

Physics

Medical Physics

4 pages

Scientific paper

It is shown that the distribution of low variability periods in the activity of human heart rate typically follows a multi-scaling Zipf's law. The presence or failure of a power law, as well as the values of the scaling exponents, are personal characteristics depending on the daily habits of the subjects. Meanwhile, the distribution function of the low-variability periods as a whole discriminates efficiently between various heart pathologies. This new technique is also applicable to other non-linear time-series and reflects these aspects of the underlying intermittent dynamics, which are not covered by other methods of linear- and nonlinear analysis.

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