<prompt> In a small child diagnosed with H.influenzae meningitis, what investigation must be done before discharging him from the hospital ?BERAMBICT scanXray skull  <response>: Auditory Brainstem evoked response ABER, also called Brainstem evoked response audiometry BERA should be done.After H. influenza meningitis sensor neural hearing loss occurs in 5-10 of patients during long term follow up.Therefore Auditory rain Stem Evoked Response is done to check the peripheral auditory system. 