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Journal Article

Influence of conduction heterogeneities on transient spatiotemporal chaos in cardiac excitable media

MPS-Authors
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Dix,  Melvin
Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

/persons/resource/persons217528

Lilienkamp,  Thomas
Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

/persons/resource/persons173583

Luther,  Stefan
Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

/persons/resource/persons173613

Parlitz,  Ulrich
Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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PhysRevE.110.044207.pdf
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Citation

Dix, M., Lilienkamp, T., Luther, S., & Parlitz, U. (2024). Influence of conduction heterogeneities on transient spatiotemporal chaos in cardiac excitable media. Physical Review E, 110: 044207. doi:10.1103/PhysRevE.110.044207.


Cite as: https://hdl.handle.net/21.11116/0000-000F-F6B7-D
Abstract
Life-threatening cardiac arrhythmias such as ventricular fibrillation are often based on chaotic spiral or scroll wave dynamics which can be self-terminating. In this work, we investigate the influence of conduction
heterogeneities on the duration of such chaotic transients in generic models of excitable cardiac media. We observe that low and medium densities of heterogeneities extend the average transient lifetime, while at high densities very long transients, potentially persistent chaos, and periodic attractors occur.