Positive head impulse test is suggestive of -
Ans. is 'b' i.e.. Injury7 to peripheral vestibular nerve Head Impulse Testo It is also called head thrust test.o It is test for the diagnosis of injury to vestibular nerve which forms the peripheral vestibular pathway,o Clinician asks the patient to fix his gaze on a target and then perform passive horizontal and vertical head impulses and observes the patient's eyes.o Observation of a refixation saccade after the head impulse indicates decreased decreasedvestibulo ocular reflex secondary7 to peripheral vestibular lesions (vestibular nerve involvement).
Injury to vestibular nuclei
Injury to peripheral vestibular nerve
Lesion in the brain stem
Injury to Occulomotor nerve
Assessment of Vestibular Function