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Análisis tiempo-frecuencia de mapas de activación cardíaca en fibrilación ventricular

Authors: Guerrero Martínez, Juan Francisco; Chorro Gascó, Francisco Javier; Bataller Mompean, Manuel; Muñoz, J.; Espí, J.;

Análisis tiempo-frecuencia de mapas de activación cardíaca en fibrilación ventricular

Abstract

El análisis de mapas de activación permite investigar la estructura de la fibrilación ventricular cardíaca (FV). El presente trabajo plantea una revisión de la utilización de objetos de interés (blobs), usados en procesado de imágenes y aplicados también a mapas de activación cerebral y cardíaca, mediante su generación a partir de representaciones tiempo-frecuencia de registros FV. Su estudio proporciona información sobre qué frecuencias de la señal están presentes en un instante dado, así como su distribución espacial. También permiten determinar el momento en que una determinada frecuencia aparece y desaparece de cada electrodo, por lo que constituye una herramienta interesante para analizar los mecanismos de generación y mantenimiento de la FV.

Keywords

UNESCO::CIENCIAS MÉDICAS, :CIENCIAS MÉDICAS [UNESCO]

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green