Autonomous Control of Heartbeat as Entrainment between Mechanical Environment and Electrical Rhythms

Yosuke Ariizumi, Yasuaki Kurita and Yoko Yamaguchi
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Yosuke Ariizumi: Tokyo Denki Univ., Dept. of Information Sciences
Yasuaki Kurita: Tokyo Denki Univ., Dept. of Information Sciences
Yoko Yamaguchi: Tokyo Denki Univ., Dept. of Information Sciences

A chapter in Complexity and Diversity, 1997, pp 169-171 from Springer

Abstract: Abstract We elucidate how the heartbeat is controlled under various changes in mechanical environments. The ventricular model used here includes processes of the electrical rhythm, muscle contraction and the blood flow. They are coupled by mechanoelectrical feedback (MEF) as well as by excitation-contraction coupling. Our results show the diversity in dynamics of the heartbeat, various limit cycles and chaos. Under the condition of the generation of the limit cycle, the heartbeat is stable during changes in the venous pressure. We conclude that heartbeat is autonomously stabilized by self-organization of temporal coherence through MEF.

Keywords: arrhythmia; ventricular model; chaos; mechanoelectrical feedback; self-organization (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-4-431-66862-6_34

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DOI: 10.1007/978-4-431-66862-6_34

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