If someone sees a doctor with symptoms of vertigo, the physician will usually diagnose BPPV with a maneuver called a Dix-Hallpike test. The doctor will hold the persons head as they lie down quickly. As he or she reclines, the doctor will check for nystagmus, abnormal rhythmic eye movements that often accompany BPPV and will also ask if the person is experiencing a spinning sensation. This test accompanies a general physical and neurological exam. Sometimes, the medical practitioner will also run additional tests such as a CT scan or MRI of the head.

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