Transseptal cryoablation of a left-sided accessory pathway guided by a novel three dimensional navigation system

A 39-year-old man presented with regular narrow complex tachycardia for electyrophysiology [EP] study and transcatheter ablation. EP study revealed the existence of a left lateral concealed accessory pathway. A transseptal cryothermal ablation was undertaken, after puncture of the interatrial septum. The accessory pathway was mapped and successfully ablated using cryothermy and a novel 3D navigation system [LocaLisa, Medtronic], which provides a unique option of localizing electrophysiologically important reference structures as well as mapping and ablation sites. Using advanced imaging, technology efficacy of such ablations can significantly be improved