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14 Cards in this Set
- Front
- Back
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What are the usual defense mechanisms of the skin and wounds?
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1. sIgA
2. Lysozyme 3. Physical barrier - skin |
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What are the 7 common skin infections?
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1. Pimples, carbuncles/furuncles
2. Impetigo (acne too) 3. Scalded Skin Syndrome 3. Erysipelas, Cellulitis 4. Burn, virus, fungal infectns |
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What are 4 predisposing factors for skin and wound infections?
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1. Bites
2. Trauma 3. Surgery 4. Decubiti (bedsores) |
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What IS an abscess?
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A collection of pus that has drained into a cavity formed from tissue disintegration.
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What are the preferred specimens from skin and wound infections?
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1. Aspirates preferred (anaerobes often cause deep)
2. Swabs will deal (for surface wounds) |
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When would a direct smear be done for a skin/wound infectn?
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-for a DEEP wound; not usually normal flora that far in.
-To identify fungus on skin. |
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What culture media is set up for a skin infection?
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BA, CA, CNA or EMB (if bedsore)
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What culture media are set up for a wound infection?
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BA, CA, CNA, Thioglycollate, and ANAEROBIC PLATE MEDIA!
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What 3 organisms commonly cause skin infections?
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1. Staph aureus
2. Streptococci 3. Pseudomonas aeruginosa |
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What exactly does P. aeruginosa cause?
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Burn infections
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What are 4 common flora on skin?
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-Propionibacterium
-Staphs -Micrococci -Diphtheroids |
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What 3 bugs cause human bite wounds?
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Streps
Anaerobes Eikenella |
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What 2 bugs cause animal bite wounds?
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Pasteurella multocida
Staph aureus |
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What are common pathogens in wounds and abcesses?
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Staph aureus
Anaerobes Enterobacteria Pseudomonas Enterococcus |
