Vestibular evoked myogenic potential (VEMP) is a tool for evaluating which of the following?: (A) Inferior vestibular nerve disorders, (B) Superior vestibular nerve disorders, (C) Cochlear nerve lesions, (D) Inflammatory endophthalmitis
Answer is A. Sound induced vestibular induced myogenic potential is a valuable clinical tool for evaluating vestibular function ( i.e functional status of saccule and inferior vestibular nerve). Indications of VEMP are: Meniere's disease Vestibular neuritis Vestibular schwannoma originating from inferior vestibular nerve In isolated functional disorders of saccule In suspected cases of superior canal dehiscence