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Using GSI for Cochlear Implant Evaluations

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1.  What is the current standard audiological test battery that is used for adult cochlear implant candidacy evaluations? Hearing in Noise Test (HINT) Minimum Speech Test Battery 3rd Edition (MSTB-3) North Western University 6 word lists (NU-6) Quick Speech In Nosie Test (Quick SIN)

2.  What presentation level is the industry standard for aided testing for cochlear implant evaluations in quiet? 60 dBA 60 dBHL 60 dBSL Most comfortable level (MCL) of the patient

3.  What should the dial setting be on the audiometer in HL for the equivalent 60dBA? 47-55dBHL 60dBHL 47dBA Most comfortable level (MCL) of the patient

4.  What is the criteria for word recognition score for Medicare patients for Open Set Sentences? 50% or worse in the best aided condition 60% or worse in the best aided condition 30% or worse in the best aided condition 40% or worse in the best aided condition

5.  Which is best practice to verify function of hearing aids when doing a cochlear implant evaluation? Set the hearing aids to the manufacturer’s default settings. Ask the patient if their hearing aids are loud enough and turn them up until they are comfortable. Perform Real Ear to Coupler Difference (RECD) measured and use in-situ speech mapping, adjust to targets Simulated Real Ear Measures (SREM) on a 2 cc coupler.