Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Apr 26, 2022; 10(12): 3872-3878
Published online Apr 26, 2022. doi: 10.12998/wjcc.v10.i12.3872
Figure 2
Figure 2 Cryoballoon ablation. A-D: Cryoballoon ablation of all four pulmonary veins with good balloon occlusion; E-F: Preoperative and postoperative electrocardiogram. White arrows show balloon occlusion.