Infections of Wounds/skin
Terms
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- What is the preferred specimen for anaerobe cultures?
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-Aspirate
-Biopsy - How should wounds be swabbed for anaerobic culture?
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-Not on superficial skin
-Not on mucosal surfaces - What are normal flora on the skin?
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-Diphtheroids
-Staphylococci
-Micrococci
-Propionibacterium - What are pathogens in wounds and abscesses?
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-Staph aureus
-Anaerobes
-Enterobacteriaceae
-Pseudomonas
-Enterococcus - What pathogens cause human bite wounds?
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1. Streptococci
2. Anaerobes
3. Eikenella - What pathogens cause animal bite wounds?
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1. Pasteurella multocida
2. Staph aureus - What 3 bugs cause skin infections?
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1. Staph aureus
2. Strep groups
3. Pseudomonas aeruginosa - 5 organisms that cause Diabetic foot ulcers:
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SEPSA
Staph aureus, Enterobacteria
Pseudomonas, Strep pyogenes, anaerobes - poor circulation. - What are decubitus ulcers?
- bed sores
- what cause bedsores?
- Aerobes/anaerobes, multiple isolates.
- What causes impetigo?
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Strep pyogenes
Staph aureus - What causes erysipelas?
- Strep pyogenes
- What causes cellulitis?
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Strep pyogenes
Staph aureus exfoliatve toxin - What is the difference between erysipelas and cellulitis?
- The border of erysipelas is sharply demarcated, in cellulitis it is not.
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What causes folliculitis?
In what skin region? - Staph aureus, in hairy areas with persistent friction.
- What infectious bacteria causes dermatitis?
- Pseudomonas aeruginosa
- Where is dermatitis obtained with P aeruginosa?
- Whirpools, hot tubs.
- What agents cause infections in traumatic freshwater injuries?
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1. Aeromonas hydrophila
2. Pseudomonas aeruginosa - What are Vesicles?
- Blisterlike lesions filled with fluid - bacterial or viral
- what are Bullae?
- Large blebs, blisters in or under epidermis.
- What are bullae often associated with?
- Sepsis
- What organisms may be associated with Bullae when other indications are present?
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1. Staph aureus
2. Strep pyogenes
3. Pseudomonas aeruginosa
4. other gnb, Clostridia, viruses. - What causes draining sinuses?
- Deep seated infections
- What 3 conditions cause draining sinuses often?
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1. Osteomyelitis
2. Recurrent breast abscesses
3. Implanted foreign items - What 2 organisms are associated with draining sinuses?
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1. Actinomycosis
2. Mycetoma - What are fistulas?
- abnormal connections between 2 surfaces, or between hollow viscus/exterior.
- What is an icky example of a fistula?
- Connection between intestine and vagina.
- What 5 organisms often cause infections in burn patients?
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1. Pseudomonas aeruginosa
2. Streps, staph aureus, epi
3. Enterics
4. Yeasts
5. Sometimes anaerobes