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electronystagmography
medical dictionary

<investigation>

A neurologic test which measures fine motor movements of the eye muscles, used to confirm the presence of nystagmus.

Small metal electrodes are placed above, below and to the sides of each eye. A graphical recording of eye movements is then generated. This test is used to evaluate dizziness, vertigo and the function of the acoustic nerve. Conditions such as labyrinthitis, Meniere's disease and acoustic neuroma may have an ENG study performed as part of the evaluation.

Acronym: ENG

(27 Sep 1997)