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Figure 4
Figure 4. Cardiac rhythm analysis of zebrafish larvae at 72 hpf after 24-h exposure to different doses of RAC. Several important parameters like (A) SD1 of Poincare plot in atrium, (B) SD2 of Poincare plot in atrium, (C) SD1 of Poincare plot in ventricle, (D) SD2 of Poincare plot in ventricle, (E) A–V Interval and (F) V–A Interval were measured and compared. The data are expressed as the means ± SEM and were analyzed by Kruskal–Wallis test followed with Dunn’s multiple comparisons test (n = 27). Same letter ‘a’ above columns indicate no significant statistical differences with p > 0.05. Black bar: control, red bar: RAC 0.1 ppm, orange bar: RAC 4 ppm, and blue bar: RAC 8 ppm.
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