Electronystagmogram (ENG)

ENG (Electronystagmography)

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

• Taking some medicines, such as stimulants (including caffeine), depressants, sedatives, and medicines to help vertigo.
• Too many movements of the head or other eye movements, such as blinking.
• Not being able to do what is asked during the test. Medical conditions that affect attention, poor eyesight, or cause sleepiness can affect the test results.

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Author:	Jan Nissl, RN, BS	Last Updated: September 1, 2006
Medical Review:	Patrice Burgess, MD - Family Medicine Barrie J. Hurwitz, MD - Neurology
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