Fig. 4From: Metformin regulates lipid metabolism in a canine model of atrial fibrillation through AMPK/PPAR-α/VLCAD pathwayAlteration of electrophysiological parameters after ARP and the effect of MET. Alteration of AERP (A) and AERPd (B) after 6-h ARP or MET treatment. *P <0.05 vs. SR group; #P <0.05 vs. ARP group. ARP, atrial rapid pace; MET, metforminBack to article page