Cavotricuspid isthmus mapping to assess bidirectional block during common atrial flutter radiofrequency ablation.

@article{Chen1999CavotricuspidIM,
  title={Cavotricuspid isthmus mapping to assess bidirectional block during common atrial flutter radiofrequency ablation.},
  author={Jian Chen and Christian de Chillou and Tarek Basiouny and Nicolas Sadoul and Jos{\'e} Delazaro Filho and Isabelle Magnin-Poull and Marc Messier and Etienne M. Aliot},
  journal={Circulation},
  year={1999},
  volume={100 25},
  pages={2507-13}
}
BACKGROUND We sought to compare published methods to an alternative approach ascertaining cavotricuspid isthmus (CTI) block during atrial flutter ablation. METHODS AND RESULTS In 39 consecutive patients who underwent an atrial flutter ablation procedure, a 24-pole mapping catheter was positioned so that 2 adjacent dipoles were bracketing the targeted CTI line of block (LOB), with proximal dipoles lateral to the LOB and distal dipoles in the coronary sinus. Two pacing sites were lateral… CONTINUE READING
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