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. 2015 Jan 9;4(1):2047981614562443. doi: 10.1177/2047981614562443

Fig. 17.

Fig. 17.

A 53-year-old man with atrial fibrillation. A pulmonary vein CT for pre-ablation mapping pulmonary shows normal thinning of the interventricular septum of the membranous portion (arrow) which can be mistaken as a ventricular septal defect.