What is the role of chest CT scanning or MRI in imaging pulmonary veins in atrial fibrillation (Afib) (AF)?

Updated: Apr 09, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Answer

Chest computed tomography (CT) scanning or magnetic resonance imaging (MRI) can be used to recreate 3-dimensional anatomy in the left atrium, thus aiding in mapping and creating contiguous lines in the left atrium.

The image on the right is a reconstructed 3-dimensional image of the right atrium in a patient undergoing atrial fibrillation ablation. The figure on the left was created with a mapping catheter using Endocardial Solutions mapping technology. It represents the endocardial shell of the right atrium and is used as the template during left atrial ablation procedures.

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