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7 Cards in this Set
- Front
- Back
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Legionella pneumophila
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gram negative rod, stains poorly, small
aerobic slow grower- needs seven days *buffered charcoal yeast extract media |
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Legionaire's Disease
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acute bacterial pneumonia
non specific symptoms high mortality |
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Pontiac Disease
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non specific upper resp sx
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LP pathogenesis
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enters alveolar MO via coiling phagocytosis- lysosomal fusion does not occur
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LP DX + TX
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detection of antigen in urine
culture from respiratory secretions (insensitive) AB = macrolide, fluroquinoline, innately resistant to B lactam Ab |
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LP Epi
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natural habitat = aquatic environment - intracellular replication in protozoans
aerosolized contaminated water supply smoking, icz, and chronic lung disease = risk AIDS patients at risk for extrapulmonary and progressive infections |
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Community Acquired Pneumonia
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onset typically acute
fever or hypothermia, sweats cough, chest discomfort, dysnpea fatigue, myalgia, anorexia, headache, abdominal pain DX: chest radiography |
