Novel "red-bull sign" during cavotricuspid isthmus ablation: Indication of an ablation catheter stuck in the subeustachian pouch.
Moyuru HirataKoichi NagashimaRyuta WatanabeYuji WakamatsuNaoto OtsukaSatoshi HayashidaShu HirataMasanaru SawadaSayaka KurokawaYasuo OkumuraPublished in: Journal of arrhythmia (2022)
Real-time surface temperature monitoring and a red-bull sign might be useful to detect the SEP. A temperature-controlled CTI ablation with the QDOT MICRO catheter might be safe for avoiding steam pops.