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. 2022 Sep 20;25(2):360–365. doi: 10.1093/europace/euac163

Figure 2.

Figure 2

Complete LGE lesion set and durable PVI—representative case. (A) 3D reconstruction of left atrium and PVs 3 months after index PVI with colour coding based on signal intensity ratios applying thresholds for fibrotic tissue (yellow ≥1.2; red >1.32) using ADAS 3D software (Adas3D Medical Barcelona, Spain). The purple line indicates the plane of the LA slices in the lower panel (C&D). (B) Postero-anterior view of electroanatomical voltage map of the same left atrium and PVs in a subsequent repeat invasive procedure (24 months after index PVI) applying voltage thresholds of 0.1 and 0.5 mV, respectively. (C) Overlay of the T1-weighted image with the LGE colour coding described previously. White arrows point to local ablation-induced LGE lesions at the PV ostial walls. (D) T1-weighted raw image without overlay. LIPV, left inferior pulmonary vein; LSPV, left superior pulmonary vein; RSPV, right superior pulmonary vein; RIPV, right inferior pulmonary vein; LAA, left atrial appendage.