Journal
JACC-CARDIOVASCULAR IMAGING
Volume 3, Issue 9, Pages 966-975Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcmg.2010.03.014
Keywords
ablation procedure; real-time 3-dimensional transesophageal echocardiography; right atrial anatomy
Funding
- Philips Medical System
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The rapid development of catheter ablation techniques for atrial arrhythmias has triggered a renewed interest in the anatomy of the right atrium. In particular, some atrial arrhythmias such as focal atrial arrhythmias or atrial flutter have been linked to the anatomic architecture of specific structures such as the crista terminalis or cavotricuspid isthmus. Real-time 3-dimensional transesophageal echocardiography (RT 3D TEE) is a recently developed technique that provides 3D images of unprecedented quality. Because the right atrium is very close to the transducer, this technique may provide high-quality images of those atrial structures involved in ablation procedures. This review describes a step-by-step approach for acquisition and processing of RT 3D TEE images of right atrial structures of relevance to electrophysiologists. For anatomical correlations of RT 3D TEE images, selected images of right atrial structures were matched to anatomical specimens. (J Am Coll Cardiol Img 2010;3:966-75) (C) 2010 by the American College of Cardiology Foundation
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