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Case Reports in Cardiology
Volume 2012, Article ID 752956, 4 pages
Case Report

Late Occurrence of Transient Advanced Second Degree Atrioventricular Block after Successful Transcatheter Cryoablation of Atrioventricular Nodal Reentry Tachycardia

1Department of Pediatric Cardiology, University of Florida School of Medicine, Gainsville, FL 32611, USA
2Pediatric Cardiology Associates, Baton Rouge, LA 70808, USA
3Department of Pediatric Cardiology, Rainbow Babies and Children’s Hospital, Case Western Reserve School of Medicine, 11100 Euclid Avenue, MS RBC 6011, Cleveland, OH 44106, USA

Received 18 May 2012; Accepted 1 August 2012

Academic Editors: C. L. Johnsrude, K. P. Letsas, and A. J. Mansur

Copyright © 2012 Maria Malaya C. Dorotan-Guevara et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Late occurrence of atrioventricular nodal block is an extremely rare occurrence after radiofrequency catheter modification of the slow pathway and has yet to be reported after cryoablation. We report a case of late transient advanced second degree atrioventriuclar block after cryomodification of the slow pathway.