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Ear

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drnieves's version from 2017-06-15 14:51

Section

Question Answer
PresbycusisSensorineural hearing loss (higher frequencies). preserved low frequency hearing at apex.
Destruction of hair cells at the chochlear base.Presbycusis
Conductive hearing lossRinne: BC>AC. Localized to affected ear.
Sensorineural hearing lossRinne: AC>BC. Localised to unaffected ear.
Noise induced hearing lossDamage to stereocilliated cells in organ of Corti. High frequency 1st.
Sudden strong noiseHearing loss due to tympanic membrane rupture.
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