A 53-year-old wakes with severe, continuous rotatory vertigo, nausea and gait unsteadiness, without hearing loss or tinnitus. Examination shows a unidirectional horizontal-torsional nystagmus and an abnormal head-impulse test to one side.

Affected earContralateral ear

Affected-ear oVEMP is absent while the cVEMP is preserved — the division-selective pattern of superior vestibular neuritis.

An absent oVEMP with a preserved cVEMP on the affected side localises the lesion to which structure?

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← All clinical cases

Affected earContralateral ear

Affected-ear oVEMP is absent while the cVEMP is preserved — the division-selective pattern of superior vestibular neuritis.

An absent oVEMP with a preserved cVEMP on the affected side localises the lesion to which structure?

Select an option to continue.

← All clinical cases

Sudden, sustained vertigo with a preserved cervical response

An absent oVEMP with a preserved cVEMP on the affected side localises the lesion to which structure?

Sudden, sustained vertigo with a preserved cervical response

An absent oVEMP with a preserved cVEMP on the affected side localises the lesion to which structure?