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19 Cards in this Set
- Front
- Back
Impetigo
What kind of skin lesion? |
Erythematous macules that progress to pustules (pus) which may rupture resulting in erosions and dry, crusted, honey colored serum
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What are common bacterias associated with Impetigo?
What age group? |
S.aureus and S.pygoenes
Children mainly (very CONTAGIOUS) |
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Cellulitis
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Deeper (dermal and subQ) infection
Red, tender, swollen rash with fever |
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What are the common bacteria which cause cellulitis?
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S. aureus and S. pyogenes
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What can Cellulitis progress to which might be deadly?
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Necrotizing fasciitis
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What is Necrotizing fasciitis
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necrosis of subQ tissues due to infection with anaerobic flesh eating bacteria
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Why/how do anerobic flesh eating bacteria cause necrotizing fasciitis?
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They produce CO2 (gas) which leads to gas within the skin (can palpate)
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What is gas within the skin called?
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Crepitus
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Tx for necrotizing fasciitis?
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SURGICAL EMERGENCY!
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Staphyloccocal Scalded skin syndrome
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sloughing of skin due to infection by a specific types S aureus (exfoliative A and B toxins)
red rash and fever; significant skin loss |
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What do the toxins in the S.aureus do in Staph Scalded skin syndrome?
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Toxins result in epidermolysis (separation of the layers) of the Stratum granulosum
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What is Staph scalded skin syndrome similar to?
How do you differentiate it? |
Similar to TEN b/c both lead to skin sloughing off
Distinguish histological (both separate different layers of the skin) |
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Wart (verruca)
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Flesh colored papules with rough surface
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What usually causes Warts?
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HPV infection of keratinocytes
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What did this guy probably get infected by?
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HPV infection
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Molluscum Contagiousm
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Firm pink umbilicated papules due to poxvirus
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What virus caused this?
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Poxvirus infection
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Keratinocytes infected with pox-virus (viral inclusions)
MOLLUSCUM BODIES |
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What type of ppl usually infected by Moluscum contagiousm?
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Skin-skin transfer
KIDS sexually active adults or immunocompromised |