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. 2013 Jul 16;105(2):533–542. doi: 10.1016/j.bpj.2013.06.012

Figure 1.

Figure 1

(a–f) Dynamic APD (a–c) and CV (d–f) restitution curves. (a) Deterministic APDR curve. Inset: APDR slope as a function of DI. (b) Linear regression for the APDR curves using data points included within a narrow mean BCL range. Deterministic and stochastic pacings with σ = 5 ms are marked by dashed and solid lines, respectively. Stochastic data points were pooled from N = 30 random pacing sequences. (c) APDR slope as a function of stochastic pacing SD σ. σ = 0 marks deterministic pacing. ∗p < 0.05 compared with the deterministic case using ANCOVA. (d) Deterministic CV restitution curve. (e) Linear regression for the CV restitution curves using data points included within the same narrow range as in panel b. Deterministic and stochastic pacings with σ = 5 ms are marked by dashed and solid lines, respectively. Stochastic data points were pooled from N = 30 random pacing sequences. (f) CV restitution slope as a function of stochastic pacing SD σ.