Graph-Based Interpolation of Local Activation Time on the Cardiac Surface

Jennifer Hellar,Romain Cosentino,Mathews M John,Allison Post,Skylar Buchan,Mehdi Razavi,Behnaam Aazhang

2021 55th Asilomar Conference on Signals, Systems, and Computers（2021）

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摘要

We propose a novel method for spatial interpolation of local activation times (LATs), a feature extracted from intracardiac electrograms (EGMs) which are sampled at various points of interest on the heart. Cardiologists utilize the projection of the LAT signal onto a 3D visualization of the heart to aid in determining the effects of intervention or the source of arrhythmias during cardiac ablation...

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关键词

Heart,Interpolation,Surface reconstruction,Three-dimensional displays,Feature extraction,Time measurement,Time factors

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