A patient with a complaint of vertigo that began 48 hours ago is presenting with horizontal eye movements with slow phases directed toward right side and quick phases directed toward the left side.The therapist is most likely observing:

Question

Quizplus · Accepted Answer

The description of horizontal eye movements with slow phases directed toward the right side and quick phases directed toward the left side indicates spontaneous nystagmus, which is often a sign of vestibular dysfunction. The direction of the slow phase (toward the right) suggests a lower tonic output from the vestibular system on the right side, leading to the correct answer being spontaneous nystagmus due to the low tonic output on the right.

A Patient with a Complaint of Vertigo That Began 48