Periodicity, quasiperiodicity, and chaos in coupled cardiac pacemaker cells

Dongming Cai; Ying-Cheng Lai; Raimond L. Winslow

doi:10.1117/12.162726

5 November 1993 Periodicity, quasiperiodicity, and chaos in coupled cardiac pacemaker cells

Dongming Cai, Ying-Cheng Lai, Raimond L. Winslow

Proceedings Volume 2036, Chaos in Biology and Medicine; (1993) https://doi.org/10.1117/12.162726
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

We investigate the dynamics of a pair of electrically coupled pacemaking sino-atrial node cells based on a physiologically detailed model. Each cell has distinguished oscillation properties. It is found that at low, yet still physiologically reasonable coupling conductance values, complex dynamics including chaos can arise. Occurrence of these complex dynamics in coupled pacemaker cells may provide an explanation for the origin of certain cardiac arrhythmias.

Citation Download Citation

Dongming Cai, Ying-Cheng Lai, and Raimond L. Winslow "Periodicity, quasiperiodicity, and chaos in coupled cardiac pacemaker cells", Proc. SPIE 2036, Chaos in Biology and Medicine, (5 November 1993); https://doi.org/10.1117/12.162726

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