A cavotricuspid isthmus pouch revealed to be a breakout site for gap conduction of recurrent common atrial flutter.

Takayuki SekiharaTakuryu SonouraYuka NakamuraIsamu SunayamaYu MorishitaMasashi IshimiMasashi YamatoTakahiro YoshimuraYoshinori Yasuoka

Published in: Clinical case reports (2020)

A cavotricuspid isthmus pouch can be a breakout site for gap conduction of cavotricuspid isthmus block line. If the previous block line is electrically silent, high-density 3-D mapping and pouchgraphy are useful to find the pouch and ablate within it.

Keyphrases

high density
atrial fibrillation
catheter ablation
single cell
left atrial
heart failure
left ventricular