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21 Cards in this Set
- Front
- Back
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Most common cause of pneumonia
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Strep pneumonia
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Causes of Atypical pneumonia
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H. influenza, M. pneumoniae, Chlamydophila. pneumonia, Legionella, Staph aureus, P. aeruginosa etc
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Viral causes of pneumonia
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influenza, adenovirus, RSV, coronavirus
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Which mycoplasma is responsible for respiratory infections
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pneumoniae
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Which 2 mycoplasma is responsible for GU infections
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hominis (pyelonephritis, PID)
genitalium + urealyticum |
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Mycoplasma: Size
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very small (01.-.03um)
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Mycoplasma: Why can't they be gram stained?
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no cell wall
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What are the facultative intracellular bugs?
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Some Nasty Bugs May Live FacultativeLY
Salmonella, Neisseria, Brucella, Mycoplasma, Listeria, Francisella, Legionella, Yersinia |
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Mycoplasma require what compound for their cells wall?
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cholesterols
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Mycoplasma are susceptible to what Abx?
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tet
erythro |
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M. pneumoniae: how is it spread?
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aerosol
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M. pneumoniae: Is it highly contageous?
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NO
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M. pneumoniae: What kind of pneumonia does it cause? Who does it mainly affect?
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- walking pneumonia
- children 5 - 15 |
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M. pneumoniae: What are the reservoirs?
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Humans only
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M. pneumoniae: Why do infections go unnoticed?
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symptoms often not severe
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M. pneumoniae: 3 virulence factors
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1. adhesion protein
2. P1 - causes cilistatis 3. stim cytokine release (superantigen) |
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M. pneumoniae: Where does it enter body?
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- in the bronchi, hardly enters alveoli
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M. pneumoniae: Abx?
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erythro, doxy, fluoroquiniolones
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M. pneumoniae: Vaccine? Immunity?
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vaccine = inneffective
immunity = limited |
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M. pneumoniae: how long to culture?
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2-6 weeks
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M. pneumoniae: 3 serologic tests
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1. Compliment fixation (best)
2. Enzyme immunoassay (vs. P1) 3. Cold agglutinin |
