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Abstract Background A new catheter-based 3D dielectric imaging modality to guide electrophysiology ablation procedures that does not require contact or X-ray to image and offers new benefits for cryoablation procedures. Case presentation A 51-year-old male with paroxysmal atrial fibrillation was admitted to our hospital for atrial fibrillation ablation that was performed using cryoballoon fourth generation combined with a novel wide-band dielectric imaging system [KODEX-EPD (EPD Solutions, a Philips company)]. Conclusions This system allowed to visualize left common pulmonary vein before balloon positioning and then confirmed by pulmonary vein angiography.