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TitleDescriptionSubject
1 Abnormal Visually-Enhanced VOR in Cerebellar Ataxia, Neuropathy, Vestibular Areflexia Syndrome (CANVAS)A 67 year old woman presented with 1 year of progressive numbness, gait instability, and oscillopsia when walking or with head movements. Examination showed excessive square-wave jerks, bilateral horizontal gaze-evoked nystagmus, impairment of the visually-enhanced vestibular ocular reflex (vVOR - s...Abnormal Pursuit; Abnormal VOR; Abnormal HIT; Cerebellar; Jerk Nystagmus; Gaze Evoked Nystagmus
2 Acute Vestibular Syndrome With Skew Deviation and Positive Head Impulse Test Due to a Demyelinating LesionThis is a patient who initially presented with the acute vestibular syndrome (AVS, e.g., acute prolonged vertigo, spontaneous nystagmus). ; See https://collections.lib.utah.edu/details?id=187730 for additional history. ; Her HINTS (Head Impulse, Nystagmus, Test of Skew) testing indicated a central e...VOR HIT; Alignment; Acute Vestibular
3 Central Acute Vestibular Syndrome Due to Posterior Fossa HemorrhageThis is a patient presenting with the acute vestibular syndrome (AVS, e.g., acute prolonged vertigo, spontaneous nystagmus) whose HINTS (Head Impulse, Nystagmus, Test of Skew) testing indicated a central etiology based on negative (normal) head impulse testing (HIT). Nystagmus was unidirectional and...VOR HIT; Alignment; Jerk Nystagmus; Vestibular Nystagmus; Acute Vestibular
4 Cerebellar Ataxia, Neuropathy, & Vestibular Areflexia Syndrome (CANVAS): Impaired Visually-Enhanced VOR and Abnormal Head Impulse TestingA 67 year old woman presented with 1 year of progressive numbness, gait instability, and oscillopsia when walking or with head movements. Examination showed excessive square-wave jerks, bilateral horizontal gaze-evoked nystagmus, impairment of the visually-enhanced vestibular ocular reflex (vVOR - s...VOR Abnormal, HIT Abnormal, Jerk Nystagmus, Gaze Evoked Nystagmus, Square Wave Jerks
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