Upbeat nystagmus after bilateral superior canal plugging: A peripheral cause of vertical nystagmus

Jeffrey D. Sharon, John P Carey, Michael C Schubert

Research output: Contribution to journalArticlepeer-review

Abstract

Vertical nystagmus without a torsional component is generally considered a finding indicative of central nervous system pathology. We report two cases of purely upbeat nystagmus elicited with mastoid vibration after bilateral superior canal plugging, to highlight the vestibular pathophysiology involved in this unusual peripheral cause for upbeat nystagmus.

Original languageEnglish (US)
JournalLaryngoscope
DOIs
StateAccepted/In press - 2016

Keywords

  • Canal dehiscence
  • Oculomotor examination
  • Upbeat nystagmus
  • Vestibular

ASJC Scopus subject areas

  • Otorhinolaryngology

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