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Figure-8 Tachycardia Confined to the Anterior Wall of the Left Atrium

By Ioan Liuba, Anders Jönsson and Håkan Walfridsson

Abstract

Incisional atrial tachycardias have been described most frequently in patients with previous corrective surgery for congenital heart defects and mitral valve disease. Less information is available on atrial tachycardias appearing late after isolated aortic valve surgery. We report the case of a patient who developed a left figure-8 tachycardia after undergoing aortic valve replacement. During electrophysiologic study the entire cycle length of the tachycardia was mapped within a low voltage area confined to the left anterior atrial wall. However, during ablation a transmural lesion could not be attained. The mapping and ablation strategy along with the mechanism of the tachycardia are discussed

Topics: Indian Pacing and Electrophysiology Journal
Publisher: Indian Pacing and Electrophysiology Group
Year: 2004
OAI identifier: oai:cogprints.org:4195

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Citations

  1. (2001). Characterization of reentrant circuit in macroreentrant right atrial tachycardia after surgical repair of congenital heart disease: isolated channels between scars allow "focal" ablation. Circulation
  2. Dual-loop intra-atrial reentry in humans.
  3. Mapping and ablation of left atrial flutters.

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