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Figure 3 Endocardial site where phrenic nerve was captured in patients with phrenic nerve injury who had a redo procedure and completely recovered. (A) Endocardial right phrenic nerve course in the right atrium (RA) (Patient #12; posteroanterior view on anatomic Carto map). (B) Site where right and left phrenic nerve were captured in the left atrium (Patient #8; left anterior oblique [LAO] view on anatomic Carto map). RSPV = right superior pulmonary vein.