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. Author manuscript; available in PMC: 2011 Jan 27.
Published in final edited form as: Front Physiol. 2010;1:154. doi: 10.3389/fphys.2010.00154

Figure 11. The “3R theory” of Ca alternans.

Figure 11

A. A schematic plot illustrating that a CRU has primary sparking probability α, and once it sparks, has a probability γ to recruit a neighbor to spark. B. The alternans (ALT) region in α-γ parameter space obtained from Eq.7 for β=0.98 and different number (n) of neighbors. C and D. Spark number Nk versus beat number k in the NO ALT region and in the ALT region.