Intra-atrial reentry tachycardia in pediatric patients

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Intra-atrial reentry tachycardia (IART), also known as atrial flutter, is a major problem in pediatric cardiology and adult congenital cardiology. Patients have significant morbidity and even mortality associated with this arrhythmia. The use of antiarrhythmic medications has been disappointing in this population. Ablation techniques are being developed which offer some advantages over the use of medication. These techniques include: sophisticated mapping using entrainment, electro-anatomic and non-contact methods for assessment of the anatomy and the reentrant circuit; radiofrequency ablation methods which allow for the creation of linear and transmural lesions; and new methods for assessment of the effects of ablation which focus on the documentation of the creation of a new line of block. These new techniques provide hope for more effective ablation procedures and the possibility of definitive cure of atrial flutter in many patients in this population.

Original languageEnglish
Pages (from-to)41-52
Number of pages12
JournalProgress in Pediatric Cardiology
Issue number1
StatePublished - 2001


  • Ablation
  • Atrial flutter
  • Atrial tachycardia
  • Congenital
  • Heart defects
  • Pediatric patients


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