Ear[1] - lateralizes to normal ear Rinne: Air >...

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Chronic Otitis Media OME Recurrent OM Biofilm Cluster of pathogenic bacteria S. pneumoniae #1 • H. influenzae #2 Non typeable No capsule • M. catarrhalis #3 MCAT Encased in extracellular matrix Antibiotic resistant + in 92% of specimens from children w/ chronic middle ear disease & culture negative Hall-Stoodley, L. et al. JAMA 2006;296:202-211. 13
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Hearing Loss Conductive loss External/Middle ear Weber: sound lateralizes to abnormal ear Rinne: Bone >Air in abnormal ear Sensorineural loss Cochlea, Cochlear Weber: sound
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Unformatted text preview: lateralizes to normal ear Rinne: Air > Bone, but less than 2:1 15 Vertigo Central Positional CN VIII lesion Brainstem or cerebellum Vertical nystagmus No delay No adaptation Romberg test Vestibular & proprioceptive sense + if sway with eyes closed Peripheral Vestibular apparatus Horizontal nystagmus Usually 2-5 second delay in vertigo & nystagmus Adaptation Benign Paroxysmal Positional Most common Aging Canal liths 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30...
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Ear[1] - lateralizes to normal ear Rinne: Air >...

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