Impact of filter configurations on bipolar EGMs: An optimal filter setting for identifying VT substrates.

Masateru Takigawa,Frederic Sacher,Claire Martin,Ghassen Cheniti,Josselin Duchateau,Thomas Pambrun,Nicolas Derval,Hubert Cochet,Meleze Hocini,Tasuku Yamamoto,Takuro Nishimura,Susumu Tao,Shinsuke Miyazaki,Masahiko Goya,Tetsuo Sasano,Michel Haissaguierre,Pierre Jais

Journal of cardiovascular electrophysiology（2023）

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摘要

Bipolar EGMs are strongly affected by filter settings in scar/border areas. In all, 30-250 or 30-500 Hz may be the best configuration, minimizing the baseline fluctuation, baseline noise, and detecting LAVAs. Not applying the 50-Hz notch filter may be beneficial to avoid missing VT substrate.

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关键词

Basic: activation mapping of arrhythmias, Basic: ventricular tachycardia/fibrillation, Clinical: cardiac mapping-electrogram analysis, Clinical: cardiac mapping-voltage

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