How is nystagmus characterized in patients with dizziness, vertigo, and imbalance?

Updated: Mar 13, 2017
  • Author: Hesham M Samy, MD, PhD; Chief Editor: Robert A Egan, MD  more...
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Answer

Nystagmus, whether spontaneous, gaze-induced, or positional, must be completely characterized to be correctly interpreted. This characterization should include provocative factors, latency, directions, effects of gaze, temporal profiles, habituation, fatigability, suppression by visual fixation, and accompanying sensation of dizziness. Failure to fully characterize nystagmus can lead to misdiagnosis.


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