Chaos for cardiac arrhythmias through a one-dimensional modulation equation for alternans

dc.contributor.author

Dai, Shu

dc.contributor.author

Schaeffer, David G

dc.date.accessioned

2011-04-15T16:46:52Z

dc.date.available

2011-04-15T16:46:52Z

dc.date.issued

2010

dc.description.abstract

Instabilities in cardiac dynamics have been widely investigated in recent years. One facet of this work has studied chaotic behavior, especially possible correlations with fatal arrhythmias. Previously chaotic behavior was observed in various models, specifically in the breakup of spiral and scroll waves. In this paper we study cardiac dynamics and find spatiotemporal chaotic behavior through the Echebarria-Karma modulation equation for alternans in one dimension. Although extreme parameter values are required to produce chaos in this model, it seems significant mathematically that chaos may occur by a different mechanism from previous observations. (C) 2010 American Institute of Physics. [doi:10.1063/1.3456058]

dc.description.version

Version of Record

dc.identifier.citation

Dai,Shu;Schaeffer,David G.. 2010. Chaos for cardiac arrhythmias through a one-dimensional modulation equation for alternans. Chaos 20(2): 23131-23131.

dc.identifier.issn

1054-1500

dc.identifier.uri

https://hdl.handle.net/10161/3362

dc.language.iso

en_US

dc.publisher

AIP Publishing

dc.relation.isversionof

10.1063/1.3456058

dc.relation.journal

Chaos

dc.subject

ventricular-fibrillation

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strange attractors

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spatiotemporal chaos

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excitable media

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spiral breakup

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turbulence

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model

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dynamics

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restitution

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potentials

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mathematics, applied

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physics, mathematical

dc.title

Chaos for cardiac arrhythmias through a one-dimensional modulation equation for alternans

dc.type

Journal article

duke.date.pubdate

2010-6-0

duke.description.issue

2

duke.description.volume

20

pubs.begin-page

23131

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