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10 Cards in this Set
- Front
- Back
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What produces Toxic Shock Syndrome?
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Staph aureus
TSS-Toxin toxin disseminates in blood and causes large purpuric lesions across body, multi organ system |
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What is a common cause of UTI's in females?
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sexually active females
Staph saprophyticus |
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What skin lesions can be caused by Staphylococcus?
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Impetigo
Folliculitis Furuncles (boils) Carbuncles (several merging furuncles) Wound infections |
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What causes endocarditis and how does it present?
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Staph aureus
flu-like symptoms initially rapid deterioration disruption in cardiac output peripheral septic embolization |
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Can Staphylococcus cause respiratory infections?
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YES!
Aspiration pneumonia very young or old: with CF, flu, COPD splotchy diffuse patches on xray can lead to empyema pus in pleural space |
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What causes septic arthritis?
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In young people:
blood borne Staph aureus In sexuall active people: Neisseria gonorrhea |
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What bacteria would you associate with infections on devices?
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Coagulase-negative Staphylococcus (non S. aureus)
Heart valves, catheter and shunt, joint replacements |
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Where would you culture for SSSS and TSS?
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Staph Scalded Skin Syndrome: nares
TSS: vagina |
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What bacteria do beta-hemolysis?
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Turns yellow on BAP
Most Staph aureus and some coag-negative Staph alpha-cytotoxin Also, only Staph aureus grow in mannitol plates (coag-neg staph do not) |
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How would you treat a Staph aureus infection?
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Most are resistant to penicillin due to penicillinase
Treatm with semi-synthetic beta lactams resistant to the beta lactamase - methicillin, oxacillin, nafcillin MRSA is resistant to all beta lactams treat with intravenous vancomycin, clindamycin, doxycyclin |
