Pediatric nonpost-operative junctional ectopic tachycardia medical management and interventional therapies. J Am Coll Cardiol. 2009;53:690 7. 131. Hamdan M, Van Hare GF, Fisher W, et al. Selective catheter ablation of the tachycardia focus in patients with nonreentrant junctional tachycar- dia. Am J Cardiol. 1996;78:1292 7. 132. Law IH, Von Bergen NH, Gingerich JC, et al. Transcatheter cryother- mal ablation of junctional ectopic tachycardia in the normal heart. Heart Rhythm. 2006;3:903 7. Page et al 2015 ACC/AHA/HRS SVT Guideline e561 133. Akar JG, Kok LC, Haines DE, et al. Coexistence of type I atrial flut- ter and intra-atrial re-entrant tachycardia in patients with surgically cor- rected congenital heart disease. J Am Coll Cardiol. 2001;38:377 84. 134. Ja s P, Shah DC, Ha ssaguerre M, et al. Mapping and ablation of left atrial flutters. Circulation. 2000;101:2928 34. 135. Coffey JO, d Avila A, Dukkipati S, et al. Catheter ablation of scar-related atypical atrial flutter. Europace. 2013;15:414 9. 136. Triedman JK, Bergau DM, Saul JP, et al. Efficacy of radiofrequency ablation for control of intraatrial reentrant tachycardia in patients with congenital heart disease. J Am Coll Cardiol. 1997;30:1032 8. 137. Nakagawa H, Shah N, Matsudaira K, et al. Characterization of reentrant circuit in macroreentrant right atrial tachycardia after surgical repair of congenital heart disease: isolated channels between scars allow focal ablation. Circulation. 2001;103:699 709. 138. Chan DP, Van Hare GF, Mackall JA, et al. Importance of atrial flutter isthmus in postoperative intra-atrial reentrant tachycardia. Circulation. 2000;102:1283 9. 139. Stevenson IH, Kistler PM, Spence SJ, et al. Scar-related right atrial macroreentrant tachycardia in patients without prior atrial surgery: electroanatomic characterization and ablation outcome. Heart Rhythm. 2005;2:594 601. 140. Baker BM, Lindsay BD, Bromberg BI, et al. 