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Fig. 1 | Cardiovascular Diabetology

Fig. 1

From: Atrial fibrillation and its arrhythmogenesis associated with insulin resistance

Fig. 1

Effect of transvenous atrial burst pacing on atrial fibrillation (AF) inducibility and occurrence in rats fed control, high-fat (HFa), or high-fructose/cholesterol (HFr) diet. a Representative examples of electrocardiogram tracing after burst pacing. Upper: sinus rhythm; middle: induced AF with short duration; lower: induced AF with longer duration. b Mean ± SE of AF inducibility, which was quantified by the ratio of pacing-induced AF episode in pacing bursts in each rat. The HFa rats had a higher incidence of AF than did the control rats. c Mean ± SE of AF duration induced by burst pacing. The duration of AF was quantified by the longest AF among induced episodes in each rat. Both HFa and HFr rats had longer AF duration induced by burst pacing. One-way ANOVA with post hoc Tukey’s tests were applied for comparisons. N = 6 rats for each group. *P < 0.05 versus control

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