What are the causes of upbeat nystagmus?

Updated: Oct 17, 2018
  • Author: Christopher M Bardorf, MD, MS; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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Answer

Upbeat nystagmus

  • Medullary lesions, including perihypoglossal nuclei, the adjacent medial vestibular nucleus, and the nucleus intercalatus (structures important in gaze holding)

  • Lesions of the anterior vermis of the cerebellum

  • Benign paroxysmal positional vertigo


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