Relevant bibliographies by topics / Surface fibrillation

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  1. Dissertations / Theses

Academic literature on the topic 'Surface fibrillation'

Author: Grafiati
Published: 7 July 2024
Last updated: 7 July 2024

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Dissertations / Theses on the topic "Surface fibrillation"

1

Guillem, Sanchez Maria De La Salud. "Activation patterns in atrial fibrillation: contributions of body surface potential mapping." Doctoral thesis, Universitat Politècnica de València, 2009. http://hdl.handle.net/10251/3922.

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La fibrilación auricular (FA) es una de las arritmias cardiacas más comunes, afectando a alrededor del 10 % de los mayores de 70 años. A pesar de su alta incidencia en la población, los mecanismos que desencadenan y mantienen la FA son inciertos. Aunque existen diversos tratamientos quirúrgicos y farmacológicos, el éxito de los tratamientos contra la FA es muy bajo. La causa de esta baja tasa de éxito de las diferentes terapias es que no existen criterios de selección de pacientes que permitan pronosticar qué terapia puede ser más efectiva para cada paciente. Una de las formas que se han propu
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2

Rodrigo, Bort Miguel. "Non-invasive identification of atrial fibrillation drivers." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/75346.

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Atrial fibrillation (AF) is one of the most common cardiac arrhythmias. Nowadays the fibrillatory process is known to be provoked by the high-frequency reentrant activity of certain atrial regions that propagates the fibrillatory activity to the rest of the atrial tissue, and the electrical isolation of these key regions has demonstrated its effectiveness in terminating the fibrillatory process. The location of the dominant regions represents a major challenge in the diagnosis and treatment of this arrhythmia. With the aim to detect and locate the fibrillatory sources prior to surgical proce
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3

Meo, Marianna. "Caractérisation spatio-temporelle de l’électrocardiogramme de surface pour prédire le résultat de l’ablation par cathéter de la fibrillation atriale persistante." Thesis, Nice, 2013. http://www.theses.fr/2013NICE4122/document.

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Responsable d’un quart des accidents vasculaires cérébraux, la fibrillation auriculaire (FA) est l’arythmie cardiaque la plus répandue. La thérapie d’ablation par cathéter (CA) est de plus en plus utilisée pour traiter la FA, mais ses effets sur le substrat cardiaque ne sont pas suffisamment compris, d’où un taux de réussite très variable. L’électrocardiogramme (ECG) à 12 voies représente un outil non invasif peu coûteux pour caractériser la FA à partir de l’activité électrique du cœur. Cependant, les prédicteurs classiques de l’issue de la CA présentent plusieurs inconvénients, notamment leur
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4

Bojarnejad, Marjan. "Relationship between body surface potential maps and atrial electrograms in patients with atrial fibrillation." Thesis, University of Newcastle upon Tyne, 2013. http://hdl.handle.net/10443/2305.

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Atrial fibrillation (AF) is the most common cardiac arrhythmia. It is distinguished by fibrillating or trembling of the atrial muscle instead of normal contraction. Patients in AF have a much higher risk of stroke. AF is often driven by the left atrium (LA) and the diagnosis of AF is normally made from lead V1 in a 12-lead electrocardiogram (ECG). However, lead V1 is dominated by right atrial activity due to its proximal location to the right atrium (RA). Consequently it is not well understood how electrical activity from the LA contributes to the ECG. Studies of the AF mechanisms from the LA
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5

Thakur, Garima. "Surface Chemistry and Spectroscopic Approach to Study Neurodegenerative Diseases." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/499.

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Accumulation or aggregation of amyloidogenic proteins in the brain plays a central role in neurodegenerative diseases. The most common and highly growing form of dementia in the elderly population is Alzheimer's disease (AD) followed by Parkinson's disease (PD). The major proteins associated are amyloid beta (Abeta) and alpha-synuclein (alpha-syn) in AD and PD, respectively. These proteins are released or found near the neuronal membranes in the brain. Consequently to understand the behavior of the proteins using a model membrane system becomes an important facet of understanding these disease
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6

Julián, Seguí Matilde. "Study on the non-linear metrics contribution to estimate atrial fibrillation organization from the surface electrocardiogram." Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/56150.

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[EN] Atrial fibrillation (AF) is the most frequently diagnosed arrhythmia, characterized by an uncoordinated atrial electrical activation, thus causing the atria to be unable to pump blood effectively. The prevalence of AF is expected to increase significantly in the next decades as the population ages. However, both the knowledge and the treatment of this arrhythmia still have to experiment a significant progress. Previous studies have reported that AF organization, which can be defined as the repetitiveness degree of the atrial activity pattern, correlates with the arrhythmia status as well
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7

Nguyen, Sy Hung Stéphane. "La dispersion de la repolarisation ventriculaire : étude critique, à partir de la catégorie de surface." Montpellier 1, 1995. http://www.theses.fr/1995MON11154.

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8

Driamov, Sergey. "The self-maintaining nature of ventricular fibrillation : contribution of L-type Ca²⁺ channels and Na⁺/Ca²⁺ exchange to cardiomyocyte Ca²⁺ overload in ventricular fibrillation : surface fluorescence study in isolated perfused rat hearts /." Basel : [s.n.], 2004. http://edoc.unibas.ch/diss/DissB_6954.

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9

Meo, Marianna. "Caractérisation spatio-temporelle de l'électrocardiogramme de surface pour prédire le résultat de l'ablation par cathéter de la fibrillation atriale persistante." Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00940440.

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Abstract:
Responsable d'un quart des accidents vasculaires cérébraux, la fibrillation auriculaire (FA) est l'arythmie cardiaque la plus répandue. La thérapie d'ablation par cathéter (CA) est de plus en plus utilisée pour traiter la FA, mais ses effets sur le substrat cardiaque ne sont pas suffisamment compris, d'où un taux de réussite très variable. L'électrocardiogramme (ECG) à 12 voies représente un outil non invasif peu coûteux pour caractériser la FA à partir de l'activité électrique du cœur. Cependant, les prédicteurs classiques de l'issue de la CA présentent plusieurs inconvénients, notamment leur
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10

Colman, Michael Alan. "Development of a biophysically detailed model of the human atria for the investigation of the mechanisms of atrial arrhythmias." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/development-of-a-biophysically-detailed-model-of-the-human-atria-for-the-investigation-of-the-mechanisms-of-atrial-arrhythmias(29e4f51f-6ead-43e4-8574-eae9e4e1eb26).html.

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Atrial arrhythmias are the most prevalent sustained cardiac arrhythmias. Rates of hospitalisation and costs incurred to healthcare organisations are increasing in epidemic proportions. Despite this, the mechanisms of the transition from sinus rhythm to arrhythmic states are not well understood. The high level of regional electrical heterogeneity observed in the atria is thought to contribute towards the high prevalence of atrial arrhythmias. However, current computer models of the intact human atria only account for a small degree of this regional electrical heterogeneity, and do not include d
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