Characterization and identification of atrial fibrillation drivers in patients with nonparoxysmal atrial fibrillation using simultaneous amplitude frequency electrogram transform.

Chin-Yu Lin,Chia-Hsin Chiang,Abigail Louise D Te,Yenn-Jiang Lin,Men-Tzung Lo,Chen Lin,Shih-Lin Chang,Li-Wei Lo,Yu-Feng Hu,Fa-Po Chung,Ta-Chuan Tuan,Tze-Fan Chao,Jo-Nan Liao,Shih-Ann Chen

Journal of cardiovascular electrophysiology（2023）

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摘要

AF procedural termination sites harbored signal characteristics of repetitive, high frequency component of individualized electrogram during SR, which can be masked by the low frequency fractionated electrogram and are difficult to see from the bipolar electrogram. Thus, SAFE-T mapping is feasible in identifying and characterizing sites of AF drivers.

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关键词

Hilbert-Huang transform,SAFE-T,nonparoxysmal atrial fibrillation,similarity index,temporal frequency analysis

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