نتایج جستجو برای: electronystagmography
تعداد نتایج: 237 فیلتر نتایج به سال:
AIM To examine vestibular system functions in children with episodic vertigo attacks. METHODS Thirty four children (20 males) aged 4-18 years with paroxysmal dizziness and/or vertigo attacks were evaluated. A medical history for vestibular symptoms and migraine was taken. Vestibular and auditory functions were assessed. RESULTS Chronic headache attacks consistent with migraine were reported...
Under uniaxial tension, high-density polyethylene (HDPE) often fractures in a ductile manner. The fracture involves extensive necking that is known to occur in the plane-stress condition. However, for large-scale HDPE products like polyethylene pipe, crack can grow rapidly in a brittle manner. This type of fracture is known to be in the plane-strain condition, which has much lower toughness tha...
Benign paroxysmal vertigo of childhood is a vestibular disorder characterized by multiple sudden brief episodes of true vertigo with nystagmus usually beginning after the age of 4. The diagnosis is based on the characteristic history, because the otologic and neurologic examinations, electronystagmogram, audiogram, and electroencephalogram are usually normal. The etiology of the disorder remain...
The present work describes an application of adaptative signal filtration in the time-scale domain using a pair of reversible wavelet transformations to the precise delimitation of the nystagmus quick and slow phases in an electronystagmogram. In common used methods the main source of inaccuracies in diagnostics parameters is the imprecision in phases delimitation (nystagmus segmentation) cause...
Objective – This study demonstrates one method of developing and applying rubrics to student writing in order to gather evidence of how students utilize information literacy skills in the context of an authentic assessment activity. The process of creating a rubric, training scorers to use the rubric, collecting annotated bibliographies, applying the rubric to student work, and the results of t...
Vertigo in children is more common than previously thought. However, only a small fraction of affected children meet a physician. The reason for this may be the benign course of vertigo in children. Most childhood vertigo is self-limiting, and the provoking factor can often be identified. The differential diagnostic process in children with vertigo is extensive and quite challenging even for ot...
All but a few studies concerned with the peripheral metabolism of labeled thyroxine 1 in man have ignored the early phase of equilibration of labeled with unlabeled hormone in the tissues (see review in reference 1). Lennon, Engbring, and Eng-strom (2) measured the rate of disappearance of radioactivity from the blood during the initial 50 minutes after intravenous injection of T4-131I in human...
Adaptation to the weightless state and readaptation after space flight to the 1-G environment on the ground are accompanied by various transitory symptoms of vestibular instability, kinetosis, and illusory sensations. Aside from the problem of how to treat and if possible prevent such symptoms, they offer a clue to a better understanding of normal vestibular functions. Weightlessness is a power...
A1 Measuring the effectiveness of a novel CPRcard feedback device during simulated chest compressions by non-healthcare workers Alexander White*, Han Xian Ng, Wai Yee Ng, Eileen Kai Xin Ng, Stephanie Fook-Chong, Phek Hui Jade Kua, Marcus Eng Hock Ong Health Services Research, Division of Research, Singapore General Hospital, Singapore, Singapore; London School of Medicine, London, UK; Unit for ...
REFERENCES 1 Eng J, Sabanathan S. Site of action of continuous extrapleural intercostal nerve block. Ann Thorac Surg 1991; 51: 387-9. 2 Berrisford RG, Sabanathan S. Direct access to the paravertebral space at thoracotomy. Ann Thorac Surg 1990; 49: 854. 3 Mozell E J, Sabanathan S, Mearns A J, Bickford Smith PR, Majid MR, Zografos G. Continuous extrapleural intercostal nerve block after pleurecto...
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