Nystagmus at the Onset of Vertiginous Attack in Meniere's Disease.

Objective: To clarify the direction and characteristics of nystagmus at the onset of a vertiginous attack in Meniere's disease. Patients: Two patients with Meniere's disease, whose nystagmus at the onset of a vertiginous attack was recorded using electronystagmography. Interventions: Diagnostic. Main Outcome Measures: Electronystagmographic recordings of nystagmus. Results: In both patients, nystagmus was directed toward the affected side over the entire course of the vertiginous attack. One patient experienced a severe sensation of vertigo and exhibited strong nystagmus from the onset of the attack. The other patient reported a mild sensation of vertigo, which was accompanied by intermittent nystagmus. Conclusions: Vertiginous attacks in Meniere's disease are accompanied by irritative nystagmus. The intensity and characteristics (e.g., continuous or intermittent expression) of the nystagmus may be associated with pathophysiological severity. Copyright (C) 2016 by Otology & Neurotology, Inc. Image copyright (C) 2010 Wolters Kluwer Health/Anatomical Chart Company

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