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. 2023 Apr 14;324(6):H821–H832. doi: 10.1152/ajpheart.00057.2023

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Figure 1. — Changes in ECG indices of ventricular repolarization following acute exposures within the tobacco cigarette (TC) cohort: supine. A: no difference in the change in T_peak-T_end (T_p-e) after any of the four exposures: straw control, electronic cigarette with 5% nicotine (EC5%), research tobacco cigarette with minimal nicotine (TC0%), or commercial tobacco cigarette with nicotine (TCN) (ANOVA, P = 0.35). B: no difference in the change in T_p-e/QT after any of the four exposures (as stated in A; ANOVA, P = 0.29). C: no difference in the change in T_p-e/QT_c after any of the four exposures (as stated in A; ANOVA, P = 0.87).