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reading an audiogram

Air vs. Bone Conduction. A/CVia TDH-50P headphonesPlaced on PinnaChecks the validity of entire ear systemTests that ipsilateral ear. B/CBone vibratorPlaced on Mastoid ProcessTests the validity of only the inner earTests better cochlea. Things to know about an Audiogram. Lo to Hi Frequency (abscissa)125 Hertz to 8000 HertzOctave and half-octavesLo to Hi dB (ordinate)-10 dB HL to 120 dB HLEach dB is equal to one octaveIt is a Legal document.

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reading an audiogram

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    1. Reading an Audiogram

    3. Things to know about an Audiogram Lo to Hi Frequency (abscissa) 125 Hertz to 8000 Hertz Octave and half-octaves Lo to Hi dB (ordinate) -10 dB HL to 120 dB HL Each dB is equal to one octave It is a Legal document

    4. The Legend

    5. Ranges of Hearing Loss

    6. Normal Hearing

    7. Conductive Hearing Loss

    8. Sensorineural Hearing Loss

    9. Mixed Hearing Loss

    10. Other “Hearing” Tests Tympanometry Acoustic Reflexes Speech Audiometry Speech Reception Threshold (SRT) Speech Discrimination (SD) ABR ECOCHG (Electrocochleography) OAE

    11. What about Hearing Aids Minimal hearing loss Probably no/little benefit Moderate hearing loss and usually sensorineural hearing loss are good candidates Profound hearing loss? Could for environmental & safety reasons Cochlear Implant

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