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Head-Impulse, Nystagmus, Test of Skew (HINTS) Assessment: Spontaneous Nystagmus and Gaze Testing in Acute Vestibular Syndrome

Legend: Spontaneous nystagmus and gaze testing in a patient who presented with acute vestibular syndrome and findings that localize to the right vestibular nerve. The patient has spontaneous left-beat nystagmus. The velocity of the nystagmus increases when he looks to the left and decreases when he looks to the right. When he looks to the right, the nystagmus does not change direction. When he looks up, the nystagmus remains left-beat. Thus, the patient has a unidirectional horizontal nystagmus.

Duration: 0:34

Associated with: CONTINUUM: Lifelong Learning in Neurology. 18(5):1041-1059, October 2012

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