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. 2018 Mar 12;9:205. doi: 10.3389/fphys.2018.00205

Figure 3.

Figure 3

(A) APD25 restitution and (B) APD90 restitution for CON (°) and MCT (•) RV myoctes in the presence (dashed lines) or absence of 5 μM ranolazine. Ranolazine had no effect on APD25 or APD90. (C) APD25 restitution and (D) APD90 restitution for CON (°) and MCT (•) RV myocytes in the presence (dashed lines) or absence of prior exposure to BAPTA. BAPTA lengthened APD25 and reversed the restitution curve in MCT myocytes. In CON myocytes BAPTA reduced APD90 but did not affect APD restitution. n = 6–9 myocytes (A,B), n = 5–6 (C,D). *P < 0.05 vs. ranolazine or BAPTA, two way RM ANOVA.