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Fig. 2 | Cardiovascular Diabetology

Fig. 2

From: Atrial fibrillation and its arrhythmogenesis associated with insulin resistance

Fig. 2

Action potential duration (APD) and calcium imaging of isolated atrial myocytes from high-fat (HFa) and high-fructose/cholesterol (HFr) diet-fed rats. a Representative examples and mean ± SE of APD of atrial myocytes. b Representative examples and mean ± SE of line-scanning imaging of calcium sparks in atrial cardiomyocytes. c Representative examples and mean ± SE of caffeine-induced calcium transients in atrial myocytes from control, HFa, and HFr rats. n = 8–10 atrial myocytes for each group. One-way ANOVA with post hoc Tukey’s tests were applied for comparisons. *P < 0.05 vs. control. Abbreviation: APD90 = action potential duration at 90% repolarization

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