Gwladys Ravon

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Optical mapping allows the visualization of cardiac action potentials on cardiac tissue surfaces by fluorescence using voltage-sensitive dyes. So far, the surface measurements are directly related to surface action potentials. We aim at exploiting these measurements in order to reconstruct three-dimensional action potentials. In this preliminary work, we(More)
The main challenge of electrocardiography is to retrieve the best possible electrical information from body surface electrical potential maps. The most common methods reconstruct epicardial potentials. Here we propose a method based on a parameter identification problem to reconstruct both activation and repolarization times. The shape of an action(More)
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