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resources.
                                             5. Client education (Box 56-6)
                                I. Presbycusis
                                             1. Description
                                                             a. A sensorineural hearing loss associated
                                                                with aging
                                                             b. Presbycusis leads to degeneration or
                                                                atrophy of the ganglion cells in the
                                                                cochlea and a loss of elasticity of the
                                                                basilar membranes.
                                                             c. Presbycusis leads to compromise of the
                                                                vascular supply to the inner ear, with
                                                                changes in several areas of the ear
                                                                structure.

                                                      2. Assessment

                                                             a. Hearing loss is gradual and bilateral.
                                                             b. Client states that he or she has no
                                                                problem with hearing but cannot
                                                                understand what the words are.
                                                             c. Client thinks that the speaker is
                                                                mumbling.



                                                                       Instruct the client that cotton-tipped

                                                                applicators should not be inserted into the ear canal,
                                                                because their use can lead to trauma to the canal
                                                                and can puncture the tympanic membrane.
                                J. Otitis externa: See Chapter 34.
                                K. Otitis media: See Chapter 34.
                                             1. Myringotomy: See Chapter 34.
                                             2. Client education (Box 56-7)
                                L. Chronic otitis media
                                             1. Description
                                                             a. A chronic infective, inflammatory, or
                                                                allergic response involving the
                                                                structure of the middle ear
                                                             b. Frequent removal of debris from the ear
                                                                canal may be required.
                                                             c. Myringoplasty can reconstruct the
                                                                tympanic membrane and ossicles and
                                                                improve conductive hearing loss.
                                                             d. Mastoidectomy may be performed if
                                                                the infection has spread to involve the
                                                                mastoid bone.








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