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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2020 May 20;13(6):e008179. doi: 10.1161/CIRCEP.119.008179

Figure 4.

Figure 4.

TCW effect on membrane potential in the absence and presence of NCX blockade A-B. Vm, linescan images and average fluorescence recordings from an experiment in which TCWs (CL = 200 ms) before (A) and during (B) superfusion with SEA0400. C. Expanded scale recordings from A and B. D. Summarized ΔVm-ΔCa2+ relationships before and during SEA0400 from this experiment. D. Summary of all results paired results of four myocytes (3 dogs) in which recordings were obtained before and during superfusion with SEA at CL = 200ms. E. Summary of results from all unpaired (11 myocytes/6 dogs in control; 7 myocytes/4 dogs during SEA) and F paired experiments (4 cells/3dogs). * p<0.05; † p<0.001 by t-test.