Articles: vertigo.
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Dizziness is a common presenting concern in primary care practice. The most useful diagnostic approach in distinguishing different types of dizziness is a thorough history and physical examination; additional tests are rarely necessary. Effective treatments exist for many causes of dizziness, and these treatments are often accomplished in the clinic or at home without the need for medication.
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J Stroke Cerebrovasc Dis · May 2014
Comparative StudyDiscrimination of acute ischemic stroke from nonischemic vertigo in patients presenting with only imbalance.
Some patients who present with an acute feeling of imbalance are experiencing an ischemic stroke that is not evident on computed tomography (CT) scans. The aim of this study was to compare ischemic stroke and nonischemic vertigo patient groups and to investigate independent factors associated with ischemic stroke. We examined 332 consecutive patients with an acute feeling of imbalance who showed no neurologic findings or responsible lesions on CT scan at the hyperacute phase. ⋯ Atrial fibrillation (odds ratio 4.1; 95% confidence interval 1.4-11.5), white blood cell count (10(3)/μL, 1.4; 1.2-1.6), head and/or neck pain (4.6; 2.1-10.3), first attack of imbalance feeling (3.3; 1.1-12.2), and dizziness (3.7; 1.7-8.3) were significant and independent factors associated with ischemic stroke among patients with an acute feeling of imbalance. We used these factors to calculate an "imbalance score"; 1 point was given for the presence of each factor and a score of 3-5 points was independently associated with ischemic stroke. An awareness of these factors may indicate that further examinations including MRI are necessary to rule out ischemic stroke.
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Review Case Reports
Acute vertigo due to hemispheric stroke: a case report and comprehensive review of the literature.
Acute cortical lesions rarely cause vertigo. We report a 51-year-old patient presenting with an acute vestibular syndrome including spontaneous vertigo and nystagmus, lateropulsion and nausea due to middle cerebral artery infarction. ⋯ A comprehensive literature review on patients with hemispheric stroke manifesting with acute vertigo is provided. Typically, patients with an acute vestibular syndrome due to cortical stroke have involvement of the temporoparietal junction.
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Arachnoid cysts most frequently occur in the middle cranial fossa and when they are symptomatic, patients present with central nervous symptoms. Nevertheless, a large proportion of arachnoid cysts are incidentally diagnosed during neuroimaging in cases with nonspecific symptoms. ⋯ Occasionally, patients with arachnoid cysts may present with mild, atypical or intermittent and irrelevant symptoms which can mislead diagnosis. Otorhinolaryngologists should be aware of the fact that atypical, recurrent or intermittent symptoms may masquerade a CNS disorder. Hippokratia 2014; 18 (2):168-171.