SPHHRNG 2230 Lecture Notes - Lecture 12: Conductive Hearing Loss, Otitis Media, Upper Respiratory Tract Infection
3 Apr 2017
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Document Summary
2 per 1000 newborns will have a mild or greater hl in at least one ear. In usa 33 babies are norm with significant hearing loss every day. 80% of children will experience some form of middle ear infection before age 4. One out of every three children with hl has an additional disability. Treatment includes application of hearing technology, counseling, edu, behavioral tx. Childhood hl can be permanent or temporary depending on the cause and location of the problem within the peripheral or central auditory system. Temporary hl is more frequent in children often associated with transient infections of the middle ear. Conductive- sound is prevented from traveling through the ear canal and middle ear to cochlea, blocked canal due to wax, or physical abnormalities of outer and middle ear. Sensorineural- due to damage to cochlea or auditory pathways. We should be able to hear from 0-25 decibels.
