3: Rashes Flashcards

1
Q

What are treatment options for contact dermatitis (5)?

A
  1. Remove cause.
  2. Compresses
  3. Topical steroid
  4. PO steroid (for allergic and irritant, PO are permissible)
  5. Patch testing for chronic allergic contact derma
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2
Q

Direct toxic reaction to rubbing, friction, or maceration, or by exposure to chemical or thermal agents.

A

Irritant Contact Dermatitis

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3
Q

Psoriasis with severe skin redness over a large part of the body. Skin shedding that occurs in large sheets rather than smaller flakes or scales. Pustules or blisters. Burnt-looking skin.

A

Erythrodermic Psoriasis

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4
Q

Infx of the dermis and subcutaneous tissues that can lead to fever, erythema, edema, and pain.

A

Cellulitis

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5
Q

Presents with flares of widespread sterile pustules on a background of red and tender skin.

A

General Pustular Psoriasis

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6
Q

Joint problems associated with a red patches of skin topped with silvery scales.

A

Psoriatic Arthritis

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7
Q

Dermatitis with an appearance that is erythematous, scaly, and eczematous.

A

Irritant Contact Dermatitis

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8
Q

What type of allergic reaction is allergic contact dermatitis?

A

Type IV

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9
Q

Causes of cellulitis (4).

A
  1. Break in skin (surgical)
  2. Wound
  3. Ulcer
  4. Superinfx
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10
Q

Caused by dermatophytes that infect the stratum corneum.

A

Tinea

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11
Q

Dermatitis that is antigen and antibody mediated.

A

Allergic Contact Dermatitis

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12
Q

With dyshidrotic eczema, you need to r/o _____.

A

Infx caused by bacteria or fungus.

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13
Q

Candidiasis is often found in immune-compromised and _____ adults.

A

Diabetic

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14
Q

If a patient with a cellulitis rash appears ill, what labs do you get?

A

CBC or sed rate (or wound culture)

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15
Q

What is the assessment and management for stasis dermatitis (4)?

A
  1. Vascular assessment
  2. Doppler
  3. Review clotting factors
  4. Treat with support, emollients, corticosteroids, compression hose
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16
Q

How is candidiasis diagnosed?

A

KOH wet mount (though diagnosis is typically clinical)

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17
Q

Eczematous dermatitis of the leg that is associated with chronic edema, varicose veins, hyperpigmentation, and vascular surgery.

A

Stasis Dermatitis

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18
Q

Chronic psoriatic pustular condition affecting palms and soles.

A

Palmoplantar Pustulosis

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19
Q

Which tinea has often been incorrectly treated with steroids?

A

Tinea incognito. It may be masked by that, but it still needs proper treatment.

20
Q

Cellulitis is most common in which 4 populations?

A
  1. Renal dz
  2. Liver dz
  3. Diabetes
  4. Alcohol/drug users
21
Q

T/F With seborrhea, you should r/o fungus with a scraping and culture, even though it is associated with fungus.

A

True

22
Q

T/F Dyshidrotic eczema is one of the few rashes that peels on the hands.

A

True. Diagnosis is based on atopic hx.

23
Q

Affects skin, nails, joints. Can cause arthritis.

A

Psoriasis

24
Q

Dermatitis with an appearance that is pruritic, linear, streaks, blisters.

A

Allergic Contact Dermatitis

25
Q

Other than clinical, how is tinea diagnosed?

A

Scrape and use KOH

26
Q

Small, dewdrop-shaped papules that appear after an infx.

A

Guttate Psoriasis

27
Q

Rash that can be red, swollen, clear edges, vesicles, bullae, necrosis, streaking.

A

Cellulitis

28
Q

Treatment options for seborrhea (4).

A
  1. Zinc
  2. Selenium
  3. Antifungals
  4. Steroids
29
Q

What is the best way to determine is a patient has irritant contact dermatitis?

A

Patient hx

30
Q

Before treating candidiasis, you should r/o _____ or _____.

A

Staph infx or atopic dermatitis

31
Q

Sharp, silvery plaques.

A

Plaque Psoriasis

32
Q

Severity of contact dermatitis is determined by what 3 things?

A
  1. Amount of exposure
  2. Sensitivity
  3. Duration
33
Q

What are common causes of allergic contact dermatitis (6)?

A
  1. Nickel
  2. Gold
  3. Neomycin
  4. Formaldehyde
  5. Thimerosol
  6. Bacitracin
34
Q

Lesions that are greasy, yellow, layered, plaque, crust associated with Malassezia furfur.

A

Seborrhea

35
Q

Eczema of the hand that is weeping, peeling, and itchy.

A

Dyshidrotic Eczema

36
Q

With psoriasis labs, what are you looking for?

A

Strep infx or fungus

37
Q

If no wound culture is performed, what organisms do you treat for with cellulitis?

A

Staph or strep

38
Q

Eczema that is a dry, fissured area, erythematous, brown discoloration, erosion, ulceration.

A

Stasis Dermatitis

39
Q

Smooth, red, sharply defined plaques, macerated, can have odor.

A

Inverse Psoriasis

40
Q

Thick fingernails with pitting, ridges in the nails, nail lifting away from the nail bed, and irregular contour of the nail.

A

Nail Psoriasis

41
Q

What 3 dermatophytes cause tinea?

A
  1. Microsporum
  2. Trichophyton
  3. Epidermophyton
42
Q

What is the concern with stasis dermatitis?

A

Susceptible to secondary infx with staph.

43
Q

Pruritus of unknown origin is usually chronic itching lasting longer than 2 weeks. What should you consider in these cases (5)?

A
  1. Liver dz
  2. Renal dz
  3. Carcinoid syndrome
  4. Allergies
  5. Underlying malignancy
44
Q

What are treatment options for psoriasis (3)?

A
  1. Phototherapy
  2. Steroids
  3. Systemic therapy
45
Q

Where is seborrhea found in adults (6)?

A
  1. Eyebrows
  2. Eyelashes
  3. Eyes
  4. Nose
  5. Ears
  6. Scalp