Europace Advance Access published online on October 3, 2009
Europace, doi:10.1093/europace/eup265
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SHORT COMMUNICATION
Atypical atrial flutter in a patient with atrial septal defect without previous surgery: the role of septal defect as a part of the arrhythmia substrate
1 Department of Electrophysiology and Cardiac Pacing, Almazov Federal Heart, Blood and Endocrinology Centre, 2 Akkuratova Street, 197341 Saint-Petersburg, Russian Federation; 2 Electrophysiology Unit, Department of Cardiology, Thoraxcentre, Erasmus MC, 230 s' Gravendijkwal, 3015 CE Rotterdam, The Netherlands
This case report describes an atypical right atrial septal flutter in a patient with a non-corrected atrial septal defect. The unique feature of this case report is that reentrant tachycardia with a cycle around the atrial septal defect was non-scar related. The slow conduction around this atrial septal defect was probably formed by right atrial dilatation and intra-cardiac haemodynamic alterations.
* Corresponding author. Tel/Fax: +7 812 5111616, Email: evgenymikhaylov{at}gmail.com
Manuscript submitted 13 May 2009. Accepted after revision 21 August 2009.