Natural entropy fluctuations discriminate similar looking electric signals emitted from systems of different dynamics

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dc.creatorVarotsos, P. A.
dc.creatorSarlis, N. V.
dc.creatorSkordas, E. S.
dc.creatorLazaridou, M. S.
dc.date2005-01-21
dc.date.accessioned2026-07-07T05:54:01Z
dc.date.available2026-07-07T05:54:01Z
dc.descriptionComplexity measures are introduced, that quantify the change of the natural entropy fluctuations at different length scales in time-series emitted from systems operating far from equilibrium. They identify impending sudden cardiac death (SD) by analyzing fifteen minutes electrocardiograms, and comparing to those of truly healthy humans (H). These measures seem to be complementary to the ones suggested recently [Phys. Rev. E {\bf 70}, 011106 (2004)] and altogether enable the classification of individuals into three categories: H, heart disease patients and SD. All the SD individuals, who exhibit critical dynamics, result in a common behavior.
dc.descriptionPublished in Physical Review E
dc.identifierhttps://arxiv.org/abs/physics/0501118
dc.identifierhttp://arxiv.org/abs/physics/0501118
dc.identifierPhys. Rev. E. 71, 011110 (2005)
dc.identifierdoi:10.1103/PhysRevE.71.011110
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/86831
dc.subjectData Analysis, Statistics and Probability
dc.subjectBiological Physics
dc.titleNatural entropy fluctuations discriminate similar looking electric signals emitted from systems of different dynamics
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