Journal Article

Successful catheter ablation of focal atrial tachycardia from the non-coronary aortic cusp

M.J. Pekka Raatikainen and Heikki V. Huikuri

in EP Europace

Published on behalf of European Heart Rhythm Association of the European Society of Cardiology (ESC)

Volume 9, issue 4, pages 216-219
Published in print April 2007 | ISSN: 1099-5129
Published online March 2007 | e-ISSN: 1532-2092 | DOI: http://dx.doi.org/10.1093/europace/eum026
Successful catheter ablation of focal atrial tachycardia from the non-coronary aortic cusp

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We describe a patient with frequent episodes of unusual paroxysmal supraventricular tachycardia. During the electrophysiological examination, the tachycardia was easily induced and terminated by atrial pacing. The earliest activation during right atrial activation mapping was located near the atrioventricular node and the His bundle. However, detailed mapping of the aortic root demonstrated that the local activation in the non-coronary aortic cusp preceded the activation at the His bundle region. Radiofrequency catheter ablation at this site terminated the tachycardia with no complications.

Keywords: Atrial tachycardia; Aortic cusp; Catheter ablation

Journal Article.  1683 words.  Illustrated.

Subjects: Cardiovascular Medicine

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