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Emergency Medicine EOR > EM - Dermatology > Flashcards

EM - Dermatology Flashcards

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Royal College: Emergency Medicine flashcards
1
Q

etiology of bullous pemphigoid

A

autoimmune disorder

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2
Q

autoimmune disorder

A

-prodrome: pruritus and urticaria
-large, firm topped bullae
-serous or hemorrhagic fluid
-negative nikolsky

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3
Q

Diagnosis of bullous pemphigoid

A

biopsy of the edge of the lesion

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4
Q

Treatment of bullous pemphigoid

A

prednisone

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5
Q

rule of 9s

A

Head and neck = 9%
Upper Ex = 9% each
Lower Ex = 9% each
Front trunk = 18%
Back trunk = 18%

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6
Q

management of burns

A

-pain control
-cath
-parkland formula for LR
-minor: clean with soap and water
-moderate-severe: cover with dry, sterile sheet and admit

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7
Q

etiology of cellulitis

A

MC staph aureus

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8
Q

s/s of cellulitis

A

-fever and chills
-swelling
-pain
-hot and tender
-ill defined borders

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9
Q

diagnosis of cellulitis

A

clinical

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10
Q

treatment of cellulitis

A

-MRSA oral: clinda
-MRSA parenteral: vanc
-no MRSA oral: keflex
-no MRSA parenteral: cefazolin

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11
Q

etiology of erysipelas

A

GABHS

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12
Q

s/s of erysipelas

A

-fever/chills
-pain
-hot and tender
-sharp borders

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13
Q

diagnosis of erysipelas

A

clinical

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14
Q

treatment of erysipelas

A

same as cellulitis

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15
Q

etiology of eczema

A

IgE

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16
Q

s/s of eczema

A

-itching
-dry patches
-asthma
-allergies

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17
Q

diagnosis of eczema

A

clinical

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18
Q

management of eczema

A

-avoid triggers
-topical steroids
-moisturize
-antihistamines

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19
Q

irritant vs allergic contact dermatitis

A

Irritant: One exposure causes dermatitis.

Allergic: repeat exposures causes dermatitis.

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20
Q

s/s of contact dermatitis

A

-erythema
-vesicles
-bullae
-scaling

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21
Q

diagnosis of contact dermatitis

A

clinical

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22
Q

treatment of contact dermatitis

A

-remove offending agent
-topical steroids

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23
Q

s/s of exanthematous drug reactions

A

-2-3 days after initiation of drug
-red, maculopapular rash
-pruritus

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24
Q

treatment of exanthematous drug reaction

A

-remove offending agent
-topical steroids

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25
Q

s/s of fixed drug eruption

A

-30 minutes to 8 hours after ingestion
-pruritus
-burning
-sharply demarcated macule

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26
Q

management of fixed drug eruption

A

-remove offending agent
-eroded: topical antibiotic
-noneroded: topical steroid

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27
Q

s/s of drug induces hypersensitivity eruptions

A

-onset 2-6 weeks after initiation
-fever,malaise
-facial edema
-maculopapular eruption
-oropharyngeal leions

28
Q

treatment of drug induced hypersensitivity eruptions

A

topical steroids

29
Q

s/s of pustular drug eruptions

A

-sterile pustules on an erytheatous base

30
Q

treatment of pustular drug eruptions

A

self resolving after 2 weeks, then desquamation

31
Q

s/s of herpes zoster

A

-paraesthesia prodrome
-dermatomal lesions
-papules -> vesicles -> pustules -> crusts

32
Q

diagnosis of herpes zoster

A

PCR

33
Q

treatment of herpes zoster

A

valacyclovir
supportive

34
Q

etiology of impetigo

A

MSSA or MRSA

35
Q

s/s of non-bullous impetigo

A

-honey crusted lesions

36
Q

s/s of bullous impetigo

A

s/s of bullous impetigo

37
Q

treatment of impetigo

A

-mupirocin ointment
-widespread: keflex

38
Q

s/s of lice

A

scratching scalp, nits in hair

39
Q

diagnosis of lice

A

-visualization of lice
-woods lamp

40
Q

treatment of lice

A

Permethrin

41
Q

etiology of pilonidal cyst

A

congenital disorder

42
Q

congenital disorder

A

-pit near top of buttocks crease
-pus

43
Q

treatment of pilonidal cyst

A

I&D of the abscess followed by sterile packing

44
Q

staging of pressure ulcer

A

-Stage 1 - no broken skin; the area is reddened and non-blanchable
-Stage 2 - the skin is broken forming an ulcer; it may appear as a blister filled with clear fluid; the skin may become necrotic
-Stage 3 - the skin is broken and the wound is extending into the tissue beneath the skin; fat may be present in the wound bed and tunneling may occur
-Stage 4 - the pressure injury is very deep, possibly exposing muscle, tendon, and bone; there is typically extensive damage such as necrotic tissue and tunneling
-unstageable: full thickness skin and tissue loss obscured by slough or eschar

45
Q

management of pressure injury

A

-redistribute pressure every 2 hours
-clean skin
-stage 1: cover with transparent film for protection
-stage 2: transparent or hydrocolloid dressing
-stage 3/4: debridement

46
Q

s/s of scabies

A

-itching worse at night
-burrows
-black speck
(ROSH Q - in webs of fingers)

47
Q

diagnosis of scabies

A

-scabies prep
-dermoscopy

48
Q

treatment of scabies

A

Permethrin

49
Q

treatment of crusted scabies

A

-permethrin + oral ivermectin

50
Q

s/s of black widow bite

A

-HTN
-tachycardia
-palpitations
-SOB
-abd pain
-halo lesion around bite

51
Q

s/s of recluse spiderm bite

A

-painless bite
-swelling, bullae, and ischemia
-ulcer and necrosis
-DIC

52
Q

s/s of funnel web spider

A

-pain at bite site
-fatal

53
Q

treatment of spider bite

A

-collection of spider
-wound irrigation
-rest, cold compress
-tetanus
-dapsone for necrosis

54
Q

etiology of SJS/TEN

A

drugs

55
Q

s/s of SJS/TEN

A
  • positive nikolsky
    -full thickness epidermal detachment
56
Q

SJS vs TEN

A

SJS <10%
TEN >30%

57
Q

diagnosis of SJS/TEN

A

biopsy

58
Q

treatment of SJS/TEN

A

-fluids
-pain meds
-d/c med
-wound care
-steroids and IVIG

59
Q

s/s of urticaria

A

-raised, erythematous wheals with central pallor
-dermatographism

60
Q

treatment of urticaria

A

-acute: emergency department
-H1 +.H2 + steroid
-chronic: antihistamines

61
Q

s/s of measles (Rubeola)

A

-low grade fever
-dry cough
-kopliks spots
-conjunctivitis
-rash

62
Q

s/s of mumps

A

-parotitis
-fever
-HA
-muscle aches

63
Q

s/s of rubella

A

-fine pink rash that begins on face and spreads to the trunk and limbs and then goes away in the same order
-arthralgias

64
Q

s/s of erythema infectiosum

A

-slapped cheek rash
-fever
-rhinitis
-painful joints

65
Q

s/s of roseola infantum

A

-high fever
-fever suddenly breaks and rash develops

Emergency Medicine EOR (12 decks)

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