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J Am Soc Echocardiogr · Oct 2010
Case ReportsElectrical dissociation within the left atrium and left atrial appendage diagnosed with transesophageal echocardiography.
- Tasneem Z Naqvi, Reza Rafie, and David Cesario.
- Echocardiographic Laboratory, Department of Medicine, Division of Cardiology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA. tnaqvi@usc.edu
- J Am Soc Echocardiogr. 2010 Oct 1;23(10):1113.e1-4.
AbstractThe authors describe the case of a 79-year-old man with prior mitral valve repair and a maze procedure who developed recurrent atrial fibrillation, in whom transesophageal echocardiography revealed an accessory lobe of the left atrial appendage in sinus rhythm when the remaining body of the left atrial appendage was in atrial fibrillation or flutter. Electrophysiology confirmed dissociated rhythm within the left atrium. This case emphasizes the need for careful Doppler interrogation of the left atrial appendage and its lobes to look for dissociated atrial rhythm.Copyright © 2010 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved.
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