Infections 2 Flashcards by Scott Meteer

WHat are the traits of impetigo?

Staph aureus, Strep Pyogenes

Honey colored crusts

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What is ecthyma?

Ulcerative form of Impetigo

Through epidermis into dermis. Distal extremities

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What is the Tx of Impetigo?

Handwashing, clean w/ soap

Dicloxacillin, cephalexin, erythromycin, Amox/Clauv

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What are the traits of folliculitis?

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

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What is furunclulosis? Carbuncles?

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

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What are the traits of Cellulitis?

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

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What is the Tx of Cellulitis?

Treat for GAS (non-purulent)

Tx for MRSA (purulent)

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What is the diff between erysipelas and Cellulitis?

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

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What are the traits of Scarlet fever?

Toxin released from GAS associated w/ pharyngitis. Strawberry tongue

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What are the traits of Staph scalded skin syndrome?

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

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What are the traits of Toxic Shock syndrome?

> 1 exotoxins from staph aureus

3 or more organ systems

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What are the traits of Nec Fasc?

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

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What is the Tx of Nec Fasc?

Debriedment. Broad Spec abtx, hyperbaric Oxygen

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What are the traits of Meningococcemia?

Mixed petechial and macular rash, extremities

Red macules w/ brown stained appearance

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What is the Tx of Meningococcemia?

Penicillin

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WHat is the feared complication of Meningococcemia?

Waterhouse Frieidrichson syndrome

What are the traits of Tinea Pedis?

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

What is the Dx/Tx of Tinea Pedis?

KOH prep w/ micro. Dissolves keratin

Topical Antifungals

What are the traits of Tinea corporis?

More active in border of lesion, Check feet!

Ringworm

What are the traits of Tinea Faciai/barbae?

Red, scaly lesions, confused with lupus or rosacea

What are the traits of Tinea Capitis?

Dermadophyte that invades the hair shaft

Oral Griseofulvin Tx

What are the Tx of Onchomycosis?

Fungal infection of the nailbed

oral Terbenifine for 12 weeks

What are rhe traits of Tinea Versicolor?

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

What are the features of Intertrigo?

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

What are the traits of Candidal Diaper Dermatitis?

Beefy red plaques w/ fine white scales | Tx Nystatin

What are the traits of Seborrheic dermatitis?

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

What are the traits of Oral Candidiasis?

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

What are the traits of Candididal vulvovaginitis?

Candida of genitals. Yeast infections. Imidazole Creams

What is pediculosis?

Lice: Oral ivermectin. Permethrin | Nits are eggs. within 1 cm of scalp are viable