Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"paroxysmal"”.
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P-wave electrical alternans as an indicator of paroxysmal atrial fibrillation
P-wave electrical alternans is a beat to beat alternation in the morphology of the P-wave, the wave in an electrocardiogram corresponding to atrial depolarization. In this investigation, software to measure p-wave alternans was developed and then tested on simulated data and on real data previously …
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Exploring alternans characteristics of electrocardiogram for prediction of Paroxysmal Atrial Fibrillation
… alternans can be used to detect and predict Paroxysmal Atrial Fibrillation (PAF) from an Electrocardiogram (ECG). The work involved implementing an algorithm for computing alternans information for a region of ECG, applying the algorithm to derive P-wave and PQ segment alternans information, …
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Prediction of Paroxysmal Atrial Fibrillation (PAF) onset through analysis of Inter-beat Intervals (IBI)
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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UNDERSTANDING ERUPTIVE DYNAMICS, PLUME DISPERSAL AND PARTICLE TRANSPORT FOR RISK ASSESSMENT IN PAROXYSMAL MAFIC ERUPTIONS
Paroxysmal activity at open vent volcanoes is a significant source of hazard as it occurs with limited and short-term precursory activity and has a severe impact both on proximal and distal regions because of tephra fallout and ash dispersion. Characterization of eruptive dynamics is therefore …
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Dizziness and Benign Paroxysmal Positional Vertigo among older adults - health-related quality of life and associated factors
… 2% of all visits in healthcare annually. Benign paroxysmal positional vertigo (BPPV) is a common and treatable cause of dizziness. The overall aim of this thesis was to enhance knowledge of dizziness, BPPV and associated factors among older adults. The secondary aim was to focus on BPPV …
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Dynamics of oxidative status in paients with paroxysmal atrial fibrillation // Динамика в оксидативния статус при пациенти с пароксизмално предсърдно мъждене
Оксидативният статус при пациенти с предсърдно мъждене (ПМ) е анализиран предимно при персистиращо и перманентно ПМ. Това определи целта на настоящия дисертационен труд: да се изследва оксидативния статус при пациенти с пароксизмално ПМ и се проследят промените в него след възстановяване на синусов …
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A South African perspective: audiologists' and otologists' orientation to, and use of evidence-based practice with reference to benign paroxysmal positional vertigo
… to the diagnosis and management of benign paroxysmal positional vertigo, a common vestibular condition for which a firm evidence base supporting treatment exists. A two-part quantitative approach was adopted. Part one surveyed South African audiologists and otorhinolaryngologists with the …
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The utility of mobile telephone recorded videos as adjuncts to the diagnosis of seizures and paroxysmal events in children with suspected epileptic seizures
… the utility of mobile phone video recordings of paroxysmal events as adjuncts in the diagnosis of epilepsy, particularly in resource poor settings where there may exist significant diagnostic delays and misdiagnoses with far reaching implications on resource allocation and poor clinical outcomes. …
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Effect of Vestibular Rehabilitation on Recovery Outcomes in Adolescents with Sports Related Concussions
… Measures for clinical profiles, benign paroxysmal positional vertigo, and recovery time were analyzed. Results: The early intervention group (8-10 days) had a median recovery time that was 10 days less than the late intervention group (>10 days) despite similar treatment times with …
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Circulating progenitor cells in atrial fibrillation: Relationship to endothelial dysfunction, thrombogenesis and inflammation
… relationship between the temporal pattern of AF (paroxysmal, persistent, permanent) and established markers of endothelial dysfunction (vonWillebrand factor, vWf; soluble E-selectin, sEsel), angiogenesis (vascular Endothelial Growth Factor, VEGF), apoptosis (soluble Fas/Fas ligand, sFas/sFasL) and …
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Mitral insufficiency due to ruptured chordae tendineae
… present for several years. Pulmonary edema or paroxysmal nocturnal dyspnea were the initial symptoms in a number of these patients, preceding the more usual shortness of breath with exertion. The auscultatory and phonocardiographic features are specific. On fluoroscopy readily recognizable …
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Co-diagnosis Frequency of Peripheral Vestibular Disorders and Physical Therapy
… to peripheral vestibular dysfunction are benign paroxysmal positional vertigo (BPPV) and vestibular hypofunction (VH). Physical therapy (PT) is an effective component of the medical management for both conditions. The occurrence rate of concurrent BPPV and VH in the same patient has not been …
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Febrile Seizures and associated neurodevelopmental disorder
… participating in the interview study. Results: Paroxysmal attacks were reported in 248 of the children (5.8%). FS had occurred in 157 children (3.7%), epilepsy in 16 (plus 6 children who were identified through the hospital registers) (0.5%) and other paroxysmal attacks in 75 children (1.7%). …
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Freud after Bataille: Death, Dissolution and the 'Oceanic' Feeling
… from Freud’s formulations, I trace out the paroxysmal movements of the death drive in concurrence with narcissism, masochism, and the uncanny, arguing that the theoretical indeterminacy of these concepts might be ascribed to the manner in which they interrogate, exceed, and destabilize the …
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Novel Mechanisms in Zebrafish Otolith Nucleation, Tethering, and Dysfunction
… risk for vestibular dysfunction during Benign Paroxysmal Positional Vertigo (BPPV) onset and following microgravity exposure. While previous studies have identified polyketide synthase as a mediator of biomineralization events in chordates and echinoderms, I demonstrate that it is …
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Development of the Inner Ear: a Molecular, Cellular and Evolutionary Approach to Understanding the Development of the Inner Ear with an Emphasis on the Roles of Fgf10 and Foxgl
… disease, vestibular neuronitis, and benign paroxysmal positional vertigo (Snow, 2003).
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Radiofrequency ablation versus cryoablation in the treatment of atrioventricular nodal reentrant tachycardia
… the AV node. AVNRT is the most common type of paroxysmal supraventricular tachycardia (PSVT), with approximately 50,000 new cases per year in the United States. Catheter ablation of AV node tissue has become the first-line definitive treatment for AVNRT, owing to its high efficacy, …
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Experimental and Computational Approaches to Enhance the Gravimetric Monitoring of Volcanic Areas
… the gravimeters in continuous recording during paroxysmal events, in the gravity field component and the inertial acceleration component to assess the amount of mass redistributed during such events. The preferred scenario for this study is Mt Etna not only because it is the most intensively …
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