A 63-year old male with a history of alcohol abuse presented with two weeks of confusion and imbalance. On exam, he had left beating nystagmus on left gaze, and right beating and torsional nystagmus on right gaze. Head impulse test was abnormal in all canals bilaterally with video head impulse test showing left horizontal vestibuloocular reflex gain: 0.3, right: 0.4.
Spencer S. Eccles Health Sciences Library, University of Utah
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