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Specialized Tests

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Specialized Tests

Specialized tests don’t fall under the category of basic hearing tests. These tests are performed as directed by physicians. Acute problem in ears are diagnosed through these tests.

VEMP

Vestibular Evoked Myogenic Potential (VEMP) is a neurophysiological assessment technique used to determine the function of the otolithic organs (utricle and saccule) of the inner ear. It complements the information provided by other forms of vestibular apparatus testing (caloric testing, ENG/VNG, etc). The vestibular system helps a person maintain: balance, visual fixation, posture, and lower muscular control.Vemp has its diagnostic applications in meniere’s disease, vestibular neuristis, otosclerosis and multiple sclerosis.

ECochG

Electrocochleography (ECochG) is a method for recording the electrical potentials of the inner ear(cochlea) and auditory nerve. ECochG generally involves measurement of the stimulus-related cochlear potentials (as opposed to the resting potentials), and often includes measurement of the whole nerve or compound action potential (AP) of the auditory nerve. ECochG has its diagnostic applications in identification of Meniere’s disease, auditory neuropathy.

Tests involved:

  • VEMP
  • ECochG

Precautions:

  • Avoid wearing ear ornaments
  • No physical pain will be caused
  • A healthy companion to accompany the patient
  • No restriction on diet
  • Inform audiologist about any previous surgery

Duration of Service:

  • 45 minutes to 1 hour per test

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