{"id":64713,"date":"2018-03-09T22:52:48","date_gmt":"2018-03-09T22:52:48","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-espectral-de-electrogramas-almacenados-en-desfibrilador-automatico-implantable-durante-fibrilacion-ventricular\/"},"modified":"2018-03-09T22:52:48","modified_gmt":"2018-03-09T22:52:48","slug":"analisis-espectral-de-electrogramas-almacenados-en-desfibrilador-automatico-implantable-durante-fibrilacion-ventricular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-las-telecomunicaciones\/analisis-espectral-de-electrogramas-almacenados-en-desfibrilador-automatico-implantable-durante-fibrilacion-ventricular\/","title":{"rendered":"An\u00e1lisis espectral de electrogramas almacenados en desfibrilador autom\u00e1tico implantable durante fibrilaci\u00f3n ventricular"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jes\u00fas Requena Carri\u00f3n <\/strong><\/h2>\n<p>En la presente tesis doctoral estudiamos las propiedades de captaci\u00f3n de los sistemas de electrodos en desfibrilador autom\u00e1tico implantable (dai). En primer lugar, analizamos los efectos del sistema de electrodos sobre las caracter\u00edsticas espectrales de la fibrilaci\u00f3n ventricular (fv) a partir de electrogramas (egm) registrados en dai. En segundo lugar, desarrollamos un marco te\u00f3rico para enlazar la resoluci\u00f3n espacial y el espectro de se\u00f1ales electrofisiol\u00f3gicas y la din\u00e1mica de la fuente bioel\u00e9ctrica que las induce. Finalmente, estudiamos num\u00e9ricamente la resoluci\u00f3n espacial y el espectro en potencia de egm registrados en dai.  nuestro an\u00e1lisis confirma que las caracter\u00edsticas espectrales de las se\u00f1ales cardiacas reflejan las propiedades de captaci\u00f3n del sistema de electrodos. El efecto del sistema de electrodos se manifiesta a trav\u00e9s de una envolvente espectral de bajas frecuencias para egm unipolares y de altas frecuencias para egm bipolares. La resoluci\u00f3n espacial del sistema de electrodos se ha revelado como un factor decisivo en la determinaci\u00f3n del espectro de las se\u00f1ales cardiacas, siendo m\u00e1s extensa en egm unipolares que en egm bipolares, lo cual explica las caracter\u00edsticas espectrales observadas. Estos resultados tienen implicaciones profundas sobre la interpretaci\u00f3n del espectro de se\u00f1ales electrofisiol\u00f3gicas<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis espectral de electrogramas almacenados en desfibrilador autom\u00e1tico implantable durante fibrilaci\u00f3n ventricular<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis espectral de electrogramas almacenados en desfibrilador autom\u00e1tico implantable durante fibrilaci\u00f3n ventricular <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jes\u00fas Requena Carri\u00f3n <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Carlos III de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/05\/2008<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jos\u00e9 Luis Rojo Alvarez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Artes rodriguez <\/li>\n<li>Jes\u00fas Almendral garrote (vocal)<\/li>\n<li>pablo Laguna lasaosa (vocal)<\/li>\n<li>Jos\u00e9 joaqu\u00edn Rieta ib\u00e1\u00f1ez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jes\u00fas Requena Carri\u00f3n En la presente tesis doctoral estudiamos las propiedades de captaci\u00f3n de los sistemas de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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