NUR 306 Lecture Notes - Lecture 10: Otitis Media, Rinne Test, Palpation

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1 Nov 2016
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Position: each side of head at eye level. An electronic medical device that replaces the function of the damaged inner ear. Musculoskeletal: sound (air) transmission: vibrates the tympanic membrane, transfers vibrations to auditory ossicles, malleus. Hearing occurs by air and bone conduction. Conductive sound waves from external ear through the middle ear. Sensorineural pathway involving the cochlea and the cochlear nerve. When did it start: oldcart or opqrst, conduction vs. sensorineural. Questions to differentiate type of hearing loss. Earaches: frequency, sharp dull, symptoms of respiratory infection. Discharge or drainage (ear wax, pus, smell) History of disease such as rubella or meningitis. Use of medications or drugs that interfere with hearing or cause dizziness: ototoxicity. Presbycusis: prone to stiffening of the cilia in the external canal. Otitis media: inflammation of the middle ear. Acoustic neuroma (vestibular schwannoma): noncancerous growth the develops on the eigth cranial nerve.

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