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. 2016 Jul 29;6:30783. doi: 10.1038/srep30783

Figure 3.

Figure 3

Effect of LF-EMF stimulation on APD90 (A,B), PCL (C,D) and Smax (E,F) in the Control group (n = 8) and EMF group (n = 8). *P < 0.05 and **P < 0.05 as compared to the group baseline; #P < 0.05 and ##P < 0.05 as compared to the Control group. LVA, left ventricular apex; LVM, the median of left ventricle; LVB, left ventricular base; MAP, monophasic action potential; APD, action potential duration; APD90, monophasic action potential duration determined at 90% of repolarization; PCL, pacing cycle length of APD alternans; BH, baseline; Smax, the maximal slope of the restitution curve, other abbreviations are identical to Fig. 1.