Bigeminal potentials in the pulmonary vein indicate arrhythmogenic trigger of atrial fibrillation.
Yasushi MukaiShunsuke KawaiShujiro InoueSusumu TakaseKazuo SakamotoKazuhiro NagaokaAkiko ChishakiHiroyuki TsutsuiPublished in: Journal of arrhythmia (2021)
PV bigeminy is relatively rare but a unique electrophysiological finding in AF patients, suggesting reentrant substrate within the PV and/or surrounding tissue. PV bigeminy is a strong indicator of arrhythmogenic vein triggering AF, and ensures an excellent clinical outcome after PVI.