Electrophysiological features of repetitive focal Purkinje ventricular arrhythmias originating from the proximal cardiac conduction system.

Shota Ikeda Kazuo SakamotoDaigo TokudomeShunsuke KawaiKiyohiro OgawaKazuhiro NagaokaSusumu TakaseShinya Kowase Yasushi MukaiAkihiko NogamiHiroyuki Tsutsui

Published in: Journal of arrhythmia (2022)

A VA of absolute axis difference ≤134°, and multiple QRS morphologies of clinical VAs indicate a proximal origin. Focal Purkinje VAs from proximal origins can be suppressed by RFCA without severe conduction disturbance.

Keyphrases

left ventricular
heart failure
high frequency
early onset
cardiac resynchronization therapy
atrial fibrillation
drug induced
catheter ablation