Unipolar Signal Augmentation as a Novel Marker of Tissue Contact in Pulsed Field Ablation
Yasuyuki Takada1, Junichi Kamoshida1, Muryo Terasawa1
1Department of Cardiology Tokyo Medical University Tokyo Japan.
Journal of Arrhythmia
|August 11, 2025
Abstract:
A positive deflection following the atrial P wave in unipolar electrograms serves as a practical surrogate marker for catheter-tissue contact during pulsed field ablation; correlating with effective lesion formation across diverse anatomical regions.


