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. 2014 Jun 18;9(6):e100288. doi: 10.1371/journal.pone.0100288

Figure 6. The generation of premature beats may depend on the direction of signal propagation.

Figure 6

A) schematic representation of the two ischemic areas investigated, and the two stimulation points (O1 and O2) used to model different directions for the propagation of a physiological signal; B) Proportion of premature beats as function of the variance of the gap junction conductance inside the ischemic area for different stimulation points. The average value of the gap junction conductance of the cells inside the ischemic area was 4.7 nS in all cases.