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20 Cards in this Set
- Front
- Back
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inflammation of the middle ear
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otitis media
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OM with rapid onset of signs and sx, <3 week course
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acute OM
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OM with 3 week to 3 mo course
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subacute OM
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OM with >3mo course
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chronic OM
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diagnosis of AOM requires what
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presence of middle ear effusion and most of the following:
otalgia otorrhea bulging red or yellow TM fever |
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pathogenesis of OM
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eustachian tube dysfunction
bacteria multiply effusion/suppuration perforation/resolution |
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2 most common causes of OM
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RSV
parainfluenza |
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moraxella catarrhalis general characteristics
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gram neg. diplococcus
oxidase positive |
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gram neg. diplococci
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moraxella catarrhalis
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virulence factors of moraxella catarrhalis
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helper protein that confers MAC resistance
endotoxin lactoferrin pili |
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when to not use antibiotics to tx OM
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>2 yo afebrile
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how to distinguish AOM from OME (otitis media with effusion)
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OME will have clear fluid
AOM will bulge ear drum |
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how long should will middle ear effusion occur following resolved AOM
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1-3 mo
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gold standard for sinus infection dx
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positive antral aspirate
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sx sinus infection
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unilateral facial pain
maxillary toothache sx longer than 10-14 days |
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important pathologic process assx with sinus infection
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obstruction of natural ostia, which causes hypooxygenation of ciliary epithelia and poor mucous clearance
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most common bacteria of acute sinusitis
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h. influenza
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tx of acute sinusitis with sx less than 14 days
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so nothing, will spontaneously resolve
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non-antibiotic tx for acute sinusitis
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drainage
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indication to tx acute sinusitis with antibiotic
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sx longer than 2 weeks
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