Positive head impulse test is suggestive of ?
Correct Answer: Injury to peripheral vestibular nerve
Description: Ans. is `b' i.e., Injury to peripheral vestibular nerve Head Impulse Test It is also called head thrust test. It is test for the diagnosis of injury to vestibular nerve which forms the peripheral vestibular pathway. Clinician asks the patient to fix his gaze on a target and then perform passive horizontal and veical head impulses and observes the patient's eyes. Observation of a refixation saccade after the head impulse indicates decreased decreasedvestibulo ocular reflex secondary to peripheral vestibular lesions (vestibular nerve involvement).
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ENT
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