نتایج جستجو برای: paroxysmal event

تعداد نتایج: 215414  

Journal: :Natural Hazards and Earth System Sciences 2021

Abstract. Active geological processes often generate a ground surface response such as uplift, subsidence and faulting/fracturing. Nowadays remote sensing represents key tool for the evaluation monitoring of natural hazards. The use unmanned aerial vehicles (UAVs) in relation to observations hazards encompasses three main stages: pre- post-event data acquisition, monitoring, risk assessment. mu...

Journal: :Frontiers in Cardiovascular Medicine 2023

Background Longitudinal association studies of atrial fibrillation (AF) and cognitive functions have shown an unclear role AF-type often differ in methodological aspects. We therefore aim to investigate longitudinal changes with (non-paroxysmal vs. paroxysmal) comorbidities the Swiss-AF cohort. Methods Seven measures were administered up five times between 2014 2022. Age-education standardized ...

Journal: :Circulation 2008
Alex Y Tan Shengmei Zhou Masahiro Ogawa Juan Song Matthew Chu Hongmei Li Michael C Fishbein Shien-Fong Lin Lan S Chen Peng-Sheng Chen

BACKGROUND The relationship between autonomic activation and the mechanisms of paroxysmal atrial fibrillation remains unclear. METHODS AND RESULTS We implanted a pacemaker and a radio transmitter in 7 dogs (group 1). After baseline recording, we paced the left atrium at 20 Hz for 1 week and then monitored left stellate ganglion nerve activity, left vagal nerve activity, and left atrial electr...

Journal: :Brain : a journal of neurology 2015
Alice R Gardiner Fatima Jaffer Russell C Dale Robyn Labrum Roberto Erro Esther Meyer Georgia Xiromerisiou Maria Stamelou Matthew Walker Dimitri Kullmann Tom Warner Paul Jarman Mike Hanna Manju A Kurian Kailash P Bhatia Henry Houlden

Paroxysmal dyskinesia can be subdivided into three clinical syndromes: paroxysmal kinesigenic dyskinesia or choreoathetosis, paroxysmal exercise-induced dyskinesia, and paroxysmal non-kinesigenic dyskinesia. Each subtype is associated with the known causative genes PRRT2, SLC2A1 and PNKD, respectively. Although separate screening studies have been carried out on each of the paroxysmal dyskinesi...

Journal: :Neurosciences 2011
Sheng Bi Jia Fan Jing Dong Qun Liu

Cerebral venous sinus thrombosis caused by paroxysmal nocturnal hemoglobinuria is uncommon. Our case is a 44-year-old woman who presented with a 2 day history of headaches, nausea, and seizures followed by a Todd`s paresis; she had been diagnosed as paroxysmal nocturnal hemoglobinuria for 4 years. A magnetic resonance venography revealed extensive thrombosis of the cerebral venous sinus. She re...

Journal: :Archives of disease in childhood 2006
P Uldall J Alving L K Hansen M Kibaek J Buchholt

AIMS To determine the proportion of children admitted with difficult to treat paroxysmal events to a tertiary epilepsy centre who did not have epilepsy. METHODS In an observational retrospective study, all case notes of 223 children admitted in 1997 were examined. The referral was made from the local paediatric department in 51% of cases, other departments in 27%, and from general or speciali...

Journal: :acta medica iranica 0
"moghaddam m yamini sharif a "

anotomical boundary of atrioventricular node reentrant tachycardia (avnrt) is composed of fast and slow pathways right atrium in upper turnaround and common distal pathway in lower turnaround. we performed electophsiologic study (eps) in 152 patients and could show the existence of distal common pathway with decremental conduction properties in approximately 40 patients.

Journal: :surgery and trauma 0
reza kayat birjand university of medical sciencesgeneral surgeon ,emam reza hospital, birjand, iran elahe bijari birjand university of medical sciencesstudent research committee, faculty of medicine, birjand university of medical sciences birjand, iran

paroxysmal nocturnal hemoglobinuria (pnh) is a rare hematologic disorder that manifests with hemolytic anemia, thrombosis, and peripheral blood cytopenias.acute abdominal pain is one of the pnh clinical manifestations due to venous thrombosis of intra-abdominal sites including hepatic, portal, mesenteric, and splenic veins.eculizumaband allogeneic bone marrow transplantation (bmt) arethe only w...

Journal: :Circulation 2002
Hakan Oral Bradley P Knight Hiroshi Tada Mehmet Ozaydin Aman Chugh Sohail Hassan Christoph Scharf Steve W K Lai Radmira Greenstein Frank Pelosi S Adam Strickberger Fred Morady

BACKGROUND The pulmonary veins (PVs) have been demonstrated to often play an important role in generating atrial fibrillation (AF). The purpose of this study was to determine the safety and efficacy of segmental PV isolation in patients with paroxysmal or persistent AF. METHODS AND RESULTS In 70 consecutive patients (mean age, 53 +/- 11 years) with paroxysmal (58) or persistent (12) AF, segme...

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