Figure 6.

(A) Collateral damage profile. Photomicrograph of the right phrenic nerve that illustrates no pathological changes 4 weeks after PFA treatment when low‐dose PFA was delivered in the SVC. (B) Histology of a pulmonary artery branch previously juxtaposed to a RSPV ablation and now showing arterial wall remodeling that consisted of mild fibrosis and loss of media myocytes. Photomicrograph from a right atrial appendage with perineural fibrosis and normal appearing artery (C). A, artery; L, lumen; N, nerve; PFA, pulsed field ablation; RSPV, right superior pulmonary vein; SVC, superior vena cava. *Fibrosis and myocyte loss