Case Report

A Unique Compensatory Mechanism for Total Pulmonary Vein Occlusion Post Atrial Fibrillation Catheter Ablation Visualized by Multimodality Imaging

Figure 2

Lung V/Q scan showing absent perfusion of the left upper pulmonary lobe and lingula (arrows) based on the comparison of the relatively (a) normal ventilation to the (b) abnormal perfusion in the left posterior oblique (LPO), left anterior oblique (LAO), and left lateral (L lat.) projections.
(a)
(b)