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CPNP- AC > Dermatology > Flashcards

Dermatology Flashcards

1
Q

What disease is associated with a flat sandpaper like rash typically in the underarms, elbow, groin?

A

Scarlet fever

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2
Q

What causes staph scalded skin syndrome?

A

Toxins released by staph ylococcus

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3
Q

What is the most common trigger of evythema multiforme?

A

Hsv

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4
Q

How do you treat scarlet fever?

A

Penicillins or cephalexin/zithromycin if penicillin allergic

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5
Q

What age group is most common and stuff sculpted skin syndrome

A

Infants 1 to 3 months of age

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6
Q

What is the most common pathogen in in abscess?

A

Staph aureus or strip pyrogens

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7
Q

What medications are associated with Steven Johnson’s syndrome?

A

Sulfa drugs, anti-convulsance, NSAIDs

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8
Q

What organisms are associated with necrotizing fasciitis?

A

Group a strep, staph aureus, clostridium perfringens

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9
Q

How is purple virus transmitted in children and when are they no longer contagious?

A

Transmitted me a droplets no longer contagious once rash disappears

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10
Q

What lab finding is associated with necrotizing fasciitis?

A

Severe leukocytosis

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11
Q

What is the management of an abscess?

A

Incision and drainage as well as culturing to determine antibiotic therapy

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12
Q

How do you treat erythema multiforme, SJS, and teens patients?

A

Like a burn patient

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13
Q

When must an incision end drainage be performed?

A

When abscess is large, painful and not improving on its own or with antibiotic therapy

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14
Q

What organisms are associated with a dog bite?

A

Pastoral, staphylococcus, streptococci

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15
Q

What are the symptoms of parvovirus in children?

A

First rush is the slapped cheek rash, some get a second rash on the chest back legs arms. Can sometimes get swelling in pain in joints

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16
Q

What are the three stages of presentation of staff scalded skin syndrome?

A

Number one erythema- around mouth and other orifices spreads with nikolsky’s sign

Number two exfoliation- within 24 to 48 hours superficial erosion turned to large bullae

Number three desquamation- affected areas dry up and form powdery scales new skin will form in 5 to 7 days

17
Q

What dermatologic syndrome is associated with epidermal detachment no target lesions, widespread macules that turn into bullae in full thickness epidermal necrosis?

A

Toxic epidermal necrolysis

18
Q

What is the preferred antibiotic for a human bite?

A

Augmentin or unison

19
Q

What is the preferred antibiotic for human bites if penicillin allergic?

A

Cephalosporins, bactrim or clindamycin if IV

20
Q

What is the initial antibiotic treatment of necrotizing fasciitis?

A

Zosyn and clindamycin, and maybe vanco in certain communities

21
Q

One of the most common bites from?

A

Dogs and humans

22
Q

What skin disorder is associated with target lesions on extremities with face trunk and legs spared as well as little mucosal involvement? With lesions that are symmetrical fixed round and macular

A

Erythema multiforme

23
Q

If penicillin allergic what is the next antibiotic for dog bites?

A

Cephalosporin or bactrim for anterol as well as clindamycin if IV

24
Q

What is the real culprit of necrotizing fasciitis?

A

The toxin activates t cells which cause the overproduction of cytokines and severe systemic illness

25
Q

What virus causes fifth disease?

A

Parvovirus b19

26
Q

One of the most common bites from?

A

Dogs and humans

27
Q

What infection is associated with peeling around fingers and toes?

A

Scarlet fever

28
Q

For a dog bite what is the first line antibiotic?

A

Unison or augmentin

29
Q

What bite wounds require antimicrobial therapy?

A

Moderate or severe bite months, puncture wounds, facial bites, hand foot bites, genital area wounds, immunocompromised hosts

30
Q

What dermatology syndrome is associated with target lesions on face and trunk as well as ulcers of mucus membranes that can lead to blindness?

A

Stevens Johnson syndrome

31
Q

What are the most common organisms associated with human bites?

A

Streptococci, staphylococcus, eikenella

CPNP- AC (14 decks)

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