Abstract
The Purkinje network (PN) is the distal part of the ventricular conduction system, which has shown to play a central role in the pathophysiology of ventricular fibrillation (VF). Abnormal automaticity and triggered activity are commonly seen in the PN, and the resulting premature ventricular complexes (PVCs) are frequently recognized as triggers of this life-threatening arrhythmia. Catheter ablation targeting PN-related PVCs can be successfully performed in patients with medically refractory VF in a variety of arrhythmic substrates.
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