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Derm Exam 1 > Bacterial Infections > Flashcards

Bacterial Infections Flashcards

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Dermatology Board Prep flashcards
1
Q

what organism may cause a cutaneous abscess?

A

staph or strep

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2
Q

what is folliculitis?

A

inflammation of the hair follicle caused by infection or injury

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3
Q

what is the causative organism of folliculitis?

A

coagulase (+) staph

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4
Q

what type of infection may start after an abrasion or surgical incision?

A

folliculitis

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5
Q

hot tub folliculitis is caused by what organism?

A

pseudomonas

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6
Q

what is a furunculosis?

A

acute staph infection of the hair follicle with more inflammation and spread of cellulitis

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7
Q

what is paronychia?

A

infection of the toenail folds and surrounding structures

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8
Q

what is pyogenic granuloma?

A

vascular tumor that is small and rapidly growing and very pink and red

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9
Q

What is pitted keratolysis?

A

superficial infection that occurs as an asymptompatic eruption on the WB surfaces of the sole

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10
Q

what is the distinguishing characteristics of pitted keratolysis?

A
  • small circular punched out pits

- hyperhidrosis!

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11
Q

what organisms cause pitted keratolysis?

A

corynebacterium and microccocus

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12
Q

what is interdigital erythrasma?

A

bacterial infection of toe web space

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13
Q

what is the causative organism for interdigital erythrasma?

A

corynebacterium minutissimum

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14
Q

what organism fluoresces coral red with woods light?

A 
corynebacterium minutissimum 
 (interdigital erythrasma)
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15
Q

how would you treat interdigital erythrasma?

A

topical antibiotics
oral antibiotics
antibacterial soap or drying agent

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16
Q

what are some predisposing factors of erythrasma?

A

humidity, hyperhidrosis, obesity

17
Q

what are secondary infections?

A

anything occuring in DAMAGED skin

  • ex. ulcerations
  • may be polymicrobial in immunicompromised pts
18
Q

what are primary infections?

A 
occurs in normal intact skin 
often Gram (+) organisms: coagulase (+) staph 
beta-meolytic strep

Derm Exam 1 (11 decks)

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