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15 Cards in this Set
- Front
- Back
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History
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found in 1960's
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Epidemiology
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Becoming more prevalent
Esp. those with weak immunes often caused by doctors |
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Epidemiology cont...
CA-MRSA |
Community Associated MRSA
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MRSA stands for
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Methicillin Resistant Staph. Aureus
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Etiology:
Causative Agent |
Staphylococcus aureus
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Staphylococcus aureus
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resident flora on skin.
can be opportunistic if skin/mucous membrane is compromised |
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Etiology continued:
MRSA vulnerability |
penicillins and cephalosporins
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Transmission
Situations: |
often during medical procedures.
athletes, military personnel, people living in close quarters |
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Transmission
transmitted how: |
-by fomites such as razors or towels or direct contact with wounds or bandages
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Pathogenesis
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Staph. aureus...
-produces exotoxins -causes clotting of blood in the area |
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exotoxins
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break down the binding between healthy skin cells and the connective tissues attachments between structures in the body
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Pathogenesis Continued:
fibrin |
protects colonies from host defenses
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Treatment:
Is time important? |
yes
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Treatment:
New IDI-MRSA test |
can detect MRSA from nasal swab in 2 hrs
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Treatment:
Vancomycin |
-best drug to treat MRSA
-strains have been reported as completely resistant to Vancomycin |
