Positive head impulse test is suggestive of
The HIT test is a bedside technique used to diagnose reduction in vestibular function in one ear versus the other. It describes the result of having an examiner abruptly accelerate and then decelerate the head, moving the head rapidly at high speed and then stopping it. Positive HIT is suggestive of injury to the peripheral vestibular nerve.
Injury to vestibular nuclei
Injury to peripheral vestibular nerve
Lesion in the brain stem
Injury to Occulomotor nerve
Ear