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. 2021 Jun 10;12:667065. doi: 10.3389/fphys.2021.667065

FIGURE 4.

FIGURE 4

Incidence of most frequently observed types of cardiac rhythm in electrograms. Expressed as a percentage of total duration of corresponding experimental period and shown as a bar with the top edge indicating mean value for the group and a whisker indicating SEM. SR, normal sinus rhythm; NOD, junctional rhythm; ST, LO, and WT, stabilization, dye loading and washout, respectively (according to notation used in experimental protocol with di-4-ANEPPS).