Why the study?
Can multielectrode basket catheter mapping identify non-pulmonary vein epicardial foci of atrial fibrillation after pulmonary vein isolation?
Can multielectrode basket catheter mapping identify non-pulmonary vein epicardial foci of atrial fibrillation after pulmonary vein isolation?
Multielectrode basket catheter mapping can identify non-pulmonary vein AF foci, some of which may be epicardial, providing a rationale for extensive pulmonary vein ablation.
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Basket mapping may detect non-PV LA foci post-PVI; hypothesis-generating for epicardial targeting before practice change.
Yamada et al. (2007) studied this question.