Unable to pass cryo ablator balloon through cryo sheath.Rf ablation performed.No harm to patient harm.Operative note: transseptal catheterization was completed with intracardiac echo and fluoroscopic guidance, and a guidewire was advanced into the left superior pulmonary vein; and initially i used a flex sheath, but i encountered issues with the sheath functionality and did not further complete cryoablation.Stat radiofrequency ablation (raf) was performed.Raf was performed by introduction of a 3.5 mm irrigated tip stsf catheter manufactured by biosense webster.
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