Journal of Arrhythmia (Feb 2019)

Pulmonary vein reconnection mapping with Advisor HD Grid demonstrating local EGM which were not visible on Tacticath ablation catheter

  • Colin Yeo,
  • Vern Hsen Tan,
  • Kelvin Cheok Keng Wong

DOI
https://doi.org/10.1002/joa3.12144
Journal volume & issue
Vol. 35, no. 1
pp. 152 – 154

Abstract

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Abstract We present a case of redo atrial fibrillation (AF) ablation for pulmonary vein reconnection. In mapping of posterior wall of left upper pulmonary vein (LUPV) with HD grid, a new and unique multipolar mapping catheter, it demonstrated presence of local electrocardiogram signals (EGM). But during mapping with the Tacticath ablation catheter, these signals were not visible. Nevertheless, ablation at this point resulted in isolation of LUPV. The unique mapping technology offered by HD grid mapping catheter may enable us to discover local EGM not otherwise visible in conventional bipole parallel recordings, to have more accurate maps and deliver for effective therapies.

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