case_images: PMC11368769_01
case_images: (A) ECG before the RFA presumes anteroseptal localization of AP. (B) ECG after the RFA without signs of pre-excitation of the ventricles.
case_images: fped-12-1405104-g001.jpg
case_images: PMC11368769_01_fped-12-1405104-g001.jpg
case_images: F1
case_images: The surface ECG indicated the presence of an anteroseptal accessory pathway (Figure 1A) using the EASY-WPW algorithm. After ablation, there was no recurrence of pathway conduction, and atrioventricular reentrant tachycardia (AVRT) was no longer inducible (Figure 1B).
case_images: (A) ECG before the RFA shows anteroseptal AP localization (EASY-WPW algorithm). (B) ECG after the cryoablation without signs of pre-excitation of the ventricles.
case_images: fped-12-1405104-g002.jpg
case_images: PMC11368769_01_fped-12-1405104-g002.jpg
case_images: F2
case_images: In the surface electrocardiogram (Figure 2A), pre-excitation was observed with a P-R interval lasting 150 ms. The accessory pathway was ablated and abolished during the second application (Figures 2B, 3).
case_images: Effect during the focal cryoablation from the non-coronary aortic cusp.
case_images: fped-12-1405104-g003.jpg
case_images: PMC11368769_01_fped-12-1405104-g003.jpg
case_images: F3
case_images: The accessory pathway was ablated and abolished during the second application (Figures 2B, 3).
case_images: LAT mapping in the aortic cusps. The earliest activation was observed in the non-coronary cusp. Yellow colored points, His bundle localization; red and green colored points, lesions from the non-coronary cusp.
case_images: fped-12-1405104-g004.jpg
case_images: PMC11368769_01_fped-12-1405104-g004.jpg
case_images: F4
case_images: A total of five applications were applied, achieving a temperature drop to -74  C (Figure 4).