The Secondary Phase Nystagmus of Positional Vertigo without Position Changes: A Case Report
نویسندگان
چکیده
منابع مشابه
Sitting-up vertigo and trunk retropulsion in patients with benign positional vertigo but without positional nystagmus.
BACKGROUND Presently, the unambiguous diagnosis of benign paroxysmal positioning vertigo (BPPV) requires the detection of positioning or positional nystagmus provoked by Dix-Hallpike (for vertical semicircular canals) or supine roll (for horizontal semicircular canals) manoeuvres, which indicates canalo- or cupolithiasis of affected semicircular canals. There are patients, however, in whom--des...
متن کاملBenign paroxysmal positional vertigo without nystagmus: diagnosis and treatment.
UNLABELLED Nystagmus tests to diagnose BPPV are still relevant in the clinical evaluation of BPPV. However, in everyday practice, there are cases of vertigo caused by head movements, which do not follow this sign in the Dix-Hallpike maneuver and the turn test. AIM To characterize BPPV without nystagmus and treatment for it. MATERIALS AND METHODS A non-systematic review of diagnosis and trea...
متن کاملPersistent positional nystagmus: a case of superior semicircular canal benign paroxysmal positional vertigo?
Involvement of the superior semicircular canal (SSC) in benign paroxysmal positional vertigo (BPPV) is rare. SSC BPPV is distinguished from the more common posterior semicircular canal (PSC) variant by the pattern of nystagmus triggered by the Dix-Hallpike position: down-beating torsional nystagmus in SSC BPPV versus up-beating torsional nystagmus in PSC BPPV. SSC BPPV may be readily treated at...
متن کاملSpontaneous inversion of nystagmus without a positional change in the horizontal canal variant of benign paroxysmal positional vertigo.
OBJECTIVE We investigated the neuro-otological findings, including nystagmus, and the clinical course of patients with the horizontal canal variant of benign paroxysmal positional vertigo (HC-BPPV), who showed spontaneous inversion of nystagmus without a positional change. Furthermore, we speculated on the possible mechanism of spontaneous inversion of nystagmus without a positional change. P...
متن کاملAbout Nystagmus Transformation in a Case of Apogeotropic Lateral Semicircular Canal Benign Paroxysmal Positional Vertigo
THERE ARE TWO FORMS OF LATERAL SEMICIRCULAR CANAL BENIGN PAROXYSMAL POSITIONAL VERTIGO: geotropic and apogeotropic. When the pathophysiological mechanism of the apogeotropic form is that of canalolithiasis, we can observe a transformation from an apogeotropic nystagmus into a geotropic one. Usually, this phenomenon happens simultaneously on both sides, thus enabling us to observe a right-beatin...
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ژورنال
عنوان ژورنال: Equilibrium Research
سال: 2015
ISSN: 0385-5716,1882-577X
DOI: 10.3757/jser.74.184