What is a “roll test” and how does it help in diagnosing BPPV?
This appears to be a provocative test.
The patient is lying on their back.
We support the patient's head to create a 30-degree angle.
The patient quickly rotates their head 90 degrees to the right and then to the left.
Positive test (+): horizontal nystagmus when turning the head both to the right and to the left.
The doctor can observe to see if the person’s eyes show the jerking pattern of nystagmus.
See how it looks in real life!
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