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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2017 Mar;10(3):e004667. doi: 10.1161/CIRCEP.116.004667

Figure 3.

Figure 3

Regional chaos synchronization of EADs in tissue. In simulated paced homogeneous cardiac tissue, electrotonic coupling causes regional chaos synchronization to generate EAD islands (red regions), separated by regions without EADs (blue), whose position and size vary from beat-to-beat. Beat #1 illustrates a scenario in which a triggered PVC (★) arising from an EAD island blocks superiorly (dashed line) but conducts inferiorly (solid line), subsequently reentering the blocked region to induce reentry. Beat #2 illustrates a scenario in which the triggered PVC arising from an EAD island encounters another EAD island, resulting in conduction block (dashed line) and reentry (solid lines). Adapted from Weiss et al. 6 with permission.