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EARS

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sandyle909's version from 2016-09-05 21:56

Section

Question Answer
Umbo TM meets malleus
Cone of lightlight reflection - located at the anterior and inferior quadrant
Gross Hearing Test (CN VIII) Rub fingers together in front of each ear
Whisper softly while occluding one ear - ex: 94, baseball
If hearing is diminished, distinguish between conductive hearing loss vs sensorineural hearing loss
Use - Tuning Fork Test: Weber and Rinne
Air conduction pathwayMore sensitive
sound vibratesTM, ossicles, into cochlear
CN VIII
Bone conduction pathway Bypass external and middle ear
vibration of the skull stimulates the inner ear directly
Examination of earAuricle up, back and out to insert otoscope
otoscope down and forward
Otitis externapain with movement of auricle and tragus
Osteoma benign, nontender, nodular swelling noted in the EAC (external acoustic canal)
Pneumatic Otoscopy Assesses TM mobility: serous OM (otitis media), TM perforations
TM flutters like a "sail in the wind" - normal
Speculum large enough for a snug fit
Gently squeeze bulb to send a puff of air against the TM
memorize