Bellows-gated (A, C, E) and NAV-gated (B, D, F) LA LGE, in three post-ablation patients. Image quality is similar. The NAV artifacts can either mimic scar, or mask true scar. In A) scar is apparent in the inferior aspect of the RIPV, while in B) scar is also apparent, but it is not clear if the enhancement is true scar or inflow artifact, due to the surrounding blood-pool enhancement. In C) RSPV scar is apparent, but in D) the scar appears more extensive, due to artifacts. In E) RIPV scar is present, but it is unclear whether this scar is real or artifactual in F) due to the enhancement of the entire ostium.