Conversion of upbeat to downbeat nystagmus in Wernicke encephalopathy
نویسندگان
چکیده
منابع مشابه
Primary position upbeat nystagmus in Wernicke's encephalopathy.
for morbid obesity. In the subsequent 4 months, he suffered from recurrent and intense vomiting, losing 40 kg. Asymptomatic hypokalemia and hypomagnesemia were discovered and supplemented. At this time, systematic oral vitamin therapy was begun. One month later, he started to describe blurred vision and vertical oscillopsia. Neurological examination revealed ataxia and nystagmus. Standard biolo...
متن کاملThe effects of baclofen and cholinergic drugs on upbeat and downbeat nystagmus.
The GABAergic drug baclofen and the cholinergic drug physostigmine were administered to patients with upbeat and downbeat nystagmus. Baclofen (orally, 5 mg three times daily) reduced nystagmus slow phase velocity and distressing oscillopsia by 25-75% in four out of five patients (two upbeat nystagmus; two downbeat nystagmus). Physostigmine (1 mg single intravenous injection) increased nystagmus...
متن کاملLithium-induced downbeat nystagmus
We report the case of a 76-year old lady under lithium carbonate for a bipolar disorder who presented with a suspected optic neuritis. A typical lithium-induced downbeat nystagmus was observed. Discontinuation of lithium therapy resulted in frank improvement in visual acuity and disappearance of the nystagmus.
متن کاملUpbeat Nystagmus: Clinicoanatomical Correlations in 15 Patients
BACKGROUND AND PURPOSE The mechanism of upbeat nystagmus is unknown and clinicoanatomical correlative studies in series of patients with upbeat nystagmus are limited. METHODS Fifteen patients with upbeat nystagmus received full neuro-ophthalmological evaluation by the senior author. Nystagmus was observed using video Frenzel goggles and recorded with video-oculography. Brain lesions were docu...
متن کاملDownbeat Nystagmus Induced by Sedation in Lasik
Nystagmus was elicited during lasik under sedation in two patients that were treated for depression. Nystagmus was not present before or after surgery. Nystagmus can be pharmacologically induced and can be a hazard to refractive surgery.
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ژورنال
عنوان ژورنال: Neurology
سال: 2018
ISSN: 0028-3878,1526-632X
DOI: 10.1212/wnl.0000000000006385