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Dermatology > Infections 2 > Flashcards

Infections 2 Flashcards

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Dermatology Board Prep flashcards
1
Q

WHat are the traits of impetigo?

A

Staph aureus, Strep Pyogenes

Honey colored crusts

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2
Q

What is ecthyma?

A

Ulcerative form of Impetigo

Through epidermis into dermis. Distal extremities

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3
Q

What is the Tx of Impetigo?

A

Handwashing, clean w/ soap

Dicloxacillin, cephalexin, erythromycin, Amox/Clauv

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4
Q

What are the traits of folliculitis?

A

Infection of hair follicle, pustule lesions
Staph aureus, psudomonas in hot tub exposure
Anti Staph Abtx

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5
Q

What is furunclulosis? Carbuncles?

A

Staph aureus infection of hair follacle. Tx w/ systemic Abtx, warm compression, soaks

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6
Q

What are the traits of Cellulitis?

A

Poorly defined border. Infection of dermis from wound. lower leg. bullous lesions if from strep

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7
Q

What is the Tx of Cellulitis?

A

Treat for GAS (non-purulent)

Tx for MRSA (purulent)

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8
Q

What is the diff between erysipelas and Cellulitis?

A

Superficial cellulitis w/ marked dermal lymphatic involvement. Caused By GAS

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9
Q

What are the traits of Scarlet fever?

A

Toxin released from GAS associated w/ pharyngitis. Strawberry tongue

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10
Q

What are the traits of Staph scalded skin syndrome?

A

Exfoliative exotoxin of staph aureus. Clear Bullae devt => shed

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11
Q

What are the traits of Toxic Shock syndrome?

A

> 1 exotoxins from staph aureus

3 or more organ systems

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12
Q

What are the traits of Nec Fasc?

A

Fascial infection: Necrosis of surrounding tissue. can follow surgery. EMERGENCY
Fournier Gangrene

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13
Q

What is the Tx of Nec Fasc?

A

Debriedment. Broad Spec abtx, hyperbaric Oxygen

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14
Q

What are the traits of Meningococcemia?

A

Mixed petechial and macular rash, extremities

Red macules w/ brown stained appearance

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15
Q

What is the Tx of Meningococcemia?

A

Penicillin

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16
Q

WHat is the feared complication of Meningococcemia?

A

Waterhouse Frieidrichson syndrome

17
Q

What are the traits of Tinea Pedis?

A

Athletes foot
Red Scaling plaques on plantar and between toes
Warm, moist envt

18
Q

What is the Dx/Tx of Tinea Pedis?

A

KOH prep w/ micro. Dissolves keratin

Topical Antifungals

19
Q

What are the traits of Tinea corporis?

A

More active in border of lesion, Check feet!

Ringworm

20
Q

What are the traits of Tinea Faciai/barbae?

A

Red, scaly lesions, confused with lupus or rosacea

21
Q

What are the traits of Tinea Capitis?

A

Dermadophyte that invades the hair shaft

Oral Griseofulvin Tx

22
Q

What are the Tx of Onchomycosis?

A

Fungal infection of the nailbed

oral Terbenifine for 12 weeks

23
Q

What are rhe traits of Tinea Versicolor?

A

Lipophilic Yeast
Spaghetti and meatballs on KOH PRep
Imidazole creams. ketoconazole

24
Q

What are the features of Intertrigo?

A 
Inflammation of large skin folds. Candida
Never on normal skin
Antimicrobials 
Obesity
Tx: Clotrimazole, loose cotton clothing
25
Q

What are the traits of Candidal Diaper Dermatitis?

A

Beefy red plaques w/ fine white scales

Tx Nystatin

26
Q

What are the traits of Seborrheic dermatitis?

A

Increased Sebceous gland activity. Inflammatory rxn to malassezia
Tx: Topical Ketoconazole

27
Q

What are the traits of Oral Candidiasis?

A

Fluffy White patches
Angular Chelitis
Mucosa bleeds easily
HIV Tx or oral Corticosteroids

28
Q

What are the traits of Candididal vulvovaginitis?

A

Candida of genitals. Yeast infections. Imidazole Creams

29
Q

What is pediculosis?

A

Lice: Oral ivermectin. Permethrin

Nits are eggs. within 1 cm of scalp are viable

Dermatology (12 decks)

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