How is a vertical component of benign positioning nystagmus assessed 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

The vertical component of benign positioning nystagmus is best observed by asking the patient to move the eyes away from the downward ear to determine whether the vertical component of nystagmus is due to the down posterior canal or the contralateral uppermost anterior canal (rare).


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