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Is up beating nystagmus only seen in the up or down gaze test?

April 26, 2017beating gaze nystagmus seen Test

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Is up beating nystagmus only seen in the up or down gaze test?

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2- Is down beating nystagmus only seen on lateral gaze? 3- Is it possible to see the up or down beating nystagmus in any part of the ENG evaluation? 4- If so, what does it mean? 1- Is up beating nystagmus only seen in the up or down gaze test? No. Up beating nystagmus is usually present with eyes open at center gaze, but is often exacerbated by upward gaze and sometimes by downward gaze. 2- Is down beating nystagmus only seen on lateral gaze? No. Down beating nystagmus is usually present with eyes open at center gaze, but may be exacerbated by lateral or downward gaze and by lying backward. If down beating nystagmus is weak, it may not be seen on center gaze and may appear only on lateral or downward gaze. If it is very weak, it may not be seen at all during the gaze test and may appear only after the Dix-Hallpike maneuver. 3- Is it possible to see the up or down beating nystagmus in any part of the ENG evaluation? Yes. Up or down beating nystagmus can appear in various parts of the EN