A 45-year-old woman is diagnosed with right vestibular neuronitis. What findings are expected during the head impulse test in this patient?

Options

1. When the head is turned to the left, the eyeballs move to the left with nystagmus
2. When the head is turned to the left, the eyeballs move to the right with nystagmus
3. When the head is turned to the right, the eyeballs move to the left with nystagmus
4. When the head is turned to the right, the eyeballs move to the right with nystagmus

Correct Answer

When the head is turned to the right, the eyeballs move to the left with nystagmus

Explanation

In right vestibular neuronitis, when the head is rapidly turned to the right (affected side), the vestibulo-ocular reflex fails. The eyes cannot maintain fixation and drift to the left, followed by a corrective saccade back to the target.

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