Electrical dissociation within the left atrium and left atrial appendage diagnosed with transesophageal echocardiography

Tasneem Zehra Naqvi, Reza Rafie, David Cesario

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The 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.

Original languageEnglish (US)
JournalJournal of the American Society of Echocardiography
Volume23
Issue number10
DOIs
StatePublished - Oct 2010
Externally publishedYes

Fingerprint

Atrial Appendage
Transesophageal Echocardiography
Heart Atria
Atrial Fibrillation
Atrial Flutter
Electrophysiology
Mitral Valve

Keywords

  • Accessory left atrial appendage lobe
  • Atrial fibrillation
  • Doppler echocardiography
  • Transesophageal echocardiography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Cite this

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AB - The 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.

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KW - Transesophageal echocardiography

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