Transcript Document
Introduction to Audiologic Assessment Perry C. Hanavan Audiologist What is the purpose of the audiologic evaluation? A. Measure degree of loss B. Define type of loss C. Determine the medical etiology D. All the above E. A and B Purpose of Audiologic Evaluation • Define extent of the loss (degree of loss) – normal, minimal, mild, moderate, moderate severe, severe, or profound • Define type of loss – conductive, sensorineural, mixed, auditory processing, or functional Additional Purposes audiologic assessment is first step in audiologic rehabilitation General Questions • • • • • Why is the person being evaluated Should person be referred What is the person’s audibility What is the etiology What is the extent of the handicap from the hearing loss Question Is the referral source important? A. Yes B. No C. Maybe Referral-Source Reasons • • • • • • Patient self-referral Physician referral Family member referral Psychologist referral Other (OSHA, FAA, military, etc.) Insurance, compensation Adult Case History • provides critical identifying information of person, contact information, etc. • shed light on etiology, time of onset, etc. • prepares audiologist for degree and type of hearing loss • may suggest progressive, temporary, fluctuating, permanent, etc., of hearing loss • suggest whether referral to others is necessary Child Case History • Speech and language development • physical development • psychosocial development • academic achievement Other Factors in Case History • • • • Tinnitus Balance Medications Employment Lets Play Audiologist • Observations • Case History • Questionnaires (selfassessments) • Otoscope exam • Video otoscopy • Behavioral • Pure tone • Speech • Immittance • OAE • Evoked potentials Degree of Loss • Pure tone thresholds • Speech thresholds • Evoked potential threshold estimation Type of Hearing Loss • • • • Conductive Sensorineural Mixed Auditory processing disorder • Functional/organic Handicap Vs. Disability • Disability – the functional limitation imposed by an impairment • Handicap – refers to the obstacles to psychosocial function resulting from a disability Screening Hearing Function • • • • • Evoked potentials OAE Immittance Pure tone air Speech – Whisper Test – Phonak online speech test • Questionnaire – Self-survey • BHI Quick Hearing Check – Risk factors Observations Observations Observations Observations Observations Amy Tan Syndrome