Publications
130 results found
Murdin L, Seemungal BM, Bronstein AM, 2012, Dizziness, Medicine (United Kingdom), Vol: 40, Pages: 431-434, ISSN: 1357-3039
Dizziness and vertigo are common symptoms. In the acute setting, it is most important to make an accurate diagnosis, particularly to distinguish peripheral from central causes of vertigo and to determine which patients require urgent neuro-imaging for suspected stroke. Although the history and physical examination usually yield the diagnosis, on occasion there is diagnostic ambiguity and the clinician must have to hand a list of likely diagnoses in order to decide rationally which specific investigations (e.g. brain imaging) are required. This article outlines the diagnostic approach to common and important conditions that present with acute dizziness, and their management. © 2012 Elsevier Ltd. All rights reserved.
Seemungal BM, Barraclough K, 2012, Vestibular symptoms in general medical disorders., Publisher: OUP
Lempert T, Olesen J, Furman J, et al., 2012, Vestibular migraine: Diagnostic criteria, JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION, Vol: 22, Pages: 167-172, ISSN: 0957-4271
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- Citations: 587
Seemungal BM, Barraclough K, 2012, Vestibular symptoms in general medical disorders, Vertigo and Imbalance
Arshad Q, Kaski D, Buckwell D, et al., 2012, A New Device to Quantify Ocular Counterroll Using Retinal Afterimages, AUDIOLOGY AND NEURO-OTOLOGY, Vol: 17, Pages: 20-24, ISSN: 1420-3030
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- Citations: 5
Seemungal B, 2011, CLINICAL APPROACH TO ACUTE VERTIGO, 15th Congress of the European-Federation-of-Neurological-Societies (EFNS), Publisher: WILEY-BLACKWELL, Pages: 11-11, ISSN: 1351-5101
Cutfield NJ, Seemungal BM, Millington H, et al., 2011, Diagnosis of acute vertigo in the emergency department, EMERGENCY MEDICINE JOURNAL, Vol: 28, Pages: 538-539, ISSN: 1472-0205
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- Citations: 16
Cousins S, Cutfield N, Kaski D, et al., 2011, Visual dependency after vestibular neuritis, 21st Meeting of the European-Neurological-Society, Publisher: SPRINGER HEIDELBERG, Pages: 39-40, ISSN: 0340-5354
Kaski D, Malhotra P, Bronstein A, et al., 2011, A bias in space and time but preserved velocity perception from a posterior parietal cortex lesion, 21st Meeting of the European-Neurological-Society, Publisher: SPRINGER HEIDELBERG, Pages: 218-219, ISSN: 0340-5354
Cutfield NJ, Cousins S, Seemungal BM, et al., 2011, Vestibular perceptual thresholds to angular rotation in acute unilateral vestibular paresis and with galvanic stimulation, BASIC AND CLINICAL OCULAR MOTOR AND VESTIBULAR RESEARCH, Vol: 1233, Pages: 256-262, ISSN: 0077-8923
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- Citations: 19
Guzman-Lopez J, Silvanto J, Seemungal BM, 2011, Visual motion adaptation increasesthe susceptibility of area V5/MT to phosphene induction by transcranial magnetic stimulation, Clinical Neurophysiology
Guzman-Lopez J, Silvanto J, Yousif N, et al., 2011, Probing V5/MT excitability with transcranial magnetic stimulation following visual motion adaptation to random and coherent motion, BASIC AND CLINICAL OCULAR MOTOR AND VESTIBULAR RESEARCH, Vol: 1233, Pages: 200-207, ISSN: 0077-8923
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- Citations: 2
Seemungal BM, Masaoutis P, Green DA, et al., 2011, Symptomatic Recovery in Miller Fisher Syndrome Parallels Vestibular-Perceptual and not Vestibular-Ocular Reflex Function., Front Neurol, Vol: 2
Unpleasant visual symptoms including oscillopsia and dizziness may occur when there is unexpected motion of the visual world across the subject's retina ("retinal slip") as in an acute spontaneous nystagmus or on head movement with an acute ophthalmoplegia. In contrast, subjects with chronic ocular dysmotility, e.g., congenital nystagmus or chronic progressive external ophthalmoplegia, are typically symptom free. The adaptive processes that render chronic patients asymptomatic are obscure but may include a suppression of oscillopsia perception as well as an increased tolerance to perceived oscillopsia. Such chronic asymptomatic patients display an attenuation of vestibular-mediated angular velocity perception, implying a possible contributory role in the adaptive process. In order to assess causality between symptoms, signs (i.e., eye movements), and vestibular-perceptual function, we prospectively assessed symptom ratings and ocular-motor and perceptual vestibular function, in a patient with acute but transient ophthalmoplegia due to Miller Fisher Syndrome (as a model of visuo-vestibular adaptation). The data show that perceptual measures of vestibular function display a significant attenuation as compared to ocular-motor measures during the acute, symptomatic period. Perhaps significantly, both symptomatic recovery and normalization of vestibular-perceptual function were delayed and then occurred in a parallel fashion. This is the first report showing that symptomatic recovery of visuo-vestibular symptoms is better paralleled by vestibular-perceptual testing than vestibular-ocular reflex (VOR) measures. The findings may have implications for the understanding of patients with chronic vestibular symptoms where VOR testing is often unhelpful.
Seemungal B, Yousif N, Bronstein AM, et al., 2010, HUMAN PEDUNCULOPONTINE NUCLEUS DISPLAYS VESTIBULAR REACTIVITY, Annual Meeting of the Association-of-British-Neurologists, Publisher: B M J PUBLISHING GROUP, Pages: E43-E43, ISSN: 0022-3050
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- Citations: 3
Seemungal B, Bronstein AM, Chan D, et al., 2010, IMPAIRMENT OF VESTIBULAR MEMORY IN A PATIENT WITH A RIGHT HIPPOCAMPAL LESION, Annual Meeting of the Association-of-British-Neurologists, Publisher: B M J PUBLISHING GROUP, Pages: E43-E43, ISSN: 0022-3050
Kaski D, Seemungal BM, 2010, The bedside assessment of vertigo, CLINICAL MEDICINE, Vol: 10, Pages: 402-405, ISSN: 1470-2118
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- Citations: 2
Bronstein AM, Lempert T, Seemungal BM, 2010, Chronic dizziness: a practical approach., Pract Neurol, Vol: 10, Pages: 129-139
Patients with chronic dizziness pose a particular challenge to the clinician, partly because their symptoms correlate poorly with standard vestibular tests; so a 'test and think later' approach is likely to lead to diagnostic confusion rather than clarity. Rather, a meticulous clinical assessment is required. Here our approach to the chronic dizzy patient is described with an emphasis on treating the patient's symptoms.
Balaratnam MS, Leschziner GD, Seemungal BM, et al., 2010, Amyotrophic lateral sclerosis and ocular flutter, AMYOTROPHIC LATERAL SCLEROSIS, Vol: 11, Pages: 331-334, ISSN: 1748-2968
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- Citations: 9
Seemungal BM, Bronstein AM, 2010, Pearls: Dizziness, SEMINARS IN NEUROLOGY, Vol: 30, Pages: 23-27, ISSN: 0271-8235
Seemungal B, Gresty M, 2009, Clinical Focus - Acute vertigo, Independent Nurse, Vol: 2009, ISSN: 1747-9800
<jats:p> Presentation, aetiology, treatment and rare diagnoses </jats:p>
Cousins S, Cutfield N, Seemungal B, et al., 2009, Vestibular perception after acute vestibular neuritis, 13th Congress of the European-Federation-of-Neurological-Societies, Publisher: WILEY-BLACKWELL PUBLISHING, INC, Pages: 36-36, ISSN: 1351-5101
Seemungal BM, Bronstein AM, 2009, Erratum: A practical approach to acute vertigo (Practical Neurology (2008) vol. 8 (211-221) 10.1136/jnnp.2008.154799corr1), Practical Neurology, Vol: 9, ISSN: 1474-7758
Balaratnam M, Leschziner G, Seemungal B, et al., 2009, Amyotrophic lateral sclerosis and ocular flutter, Amyotrophic Lateral Sclerosis, Pages: 1-4, ISSN: 1748-2968
Seemungal BM, Rizzo V, Gresty MA, et al., 2009, Perceptual Encoding of Self-Motion Duration in Human Posterior Parietal Cortex, BASIC AND CLINICAL ASPECTS OF VERTIGO AND DIZZINESS, Vol: 1164, Pages: 236-238, ISSN: 0077-8923
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- Citations: 14
Seemungal BM, Bronstein AM, 2008, A practical approach to acute vertigo., Pract Neurol, Vol: 8, Pages: 211-221
Patients complaining of symptoms of acute vertigo present a diagnostic challenge for the clinician; the main differential diagnoses are acute unilateral peripheral vestibulopathy ("vestibular neuritis"), cerebellar stroke or migraine. The head impulse test is useful in the acute situation because, of these three diagnostic alternatives, it will only be positive in patients with vestibular neuritis. A history of acute vertigo and hearing loss suggests Ménière's disease but the clinician must be wary of anterior inferior cerebellar artery strokes which may cause audiovestibular loss due to peripheral vestibulocochleal ischaemia, although the accompanying brainstem signs should remove diagnostic ambiguity. We also discuss other less common vertigo diagnoses that may be referred to the neurologist from the acute general hospital take. As ever in neurology, a careful history and focussed examination is necessary in the evaluation and management of acute vertigo.
Seemungal BM, Massaoutis P, Green D, et al., 2008, Asynchronous recovery of vestibular perceptual and oculomotor function following transient complete ophthalmoplegia, 18th Meeting of the European-Neurological-Society, Publisher: DR DIETRICH STEINKOPFF VERLAG, Pages: 185-186, ISSN: 0340-5354
Seemungal BM, Rizzo V, Gresty MA, et al., 2008, Posterior parietal rTMS disrupts human Path Integration during a vestibular navigation task, NEUROSCIENCE LETTERS, Vol: 437, Pages: 88-92, ISSN: 0304-3940
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- Citations: 37
Seemungal BM, Massaoutis P, Green D, et al., 2008, Recovery of perceptual and oculomotor vestibular function following miller-fisher syndrome: A 2-year follow-up, Annual Meeting of the Association-of-British-Neurologists, Publisher: B M J PUBLISHING GROUP, Pages: 343-343, ISSN: 0022-3050
Seemungal BM, Rizzo V, Gresty MA, et al., 2008, Cortical processing in vestibular navigation, USING EYE MOVEMENTS AS AN EXPERIMENTAL PROBE OF BRAIN FUNCTION - A SYMPOSIUM IN HONOR OF JEAN BUTTNER-ENNEVER, Vol: 171, Pages: 339-346, ISSN: 0079-6123
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- Citations: 11
Seemungal BM, Bronstein AM, 2007, Aminoglycoside ototoxicity - Vestibular function is also vulnerable, BRITISH MEDICAL JOURNAL, Vol: 335, Pages: 952-952, ISSN: 0959-8146
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- Citations: 9
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