Cellulitis

Question 1

3 organisms associated with Folliculitis

Answer 1

S. Aureus- Most common
Pseudomonas- Hot tub
Gram negative- acne

Question 2

Furuncle

Answer 2

Hairfollical with pus extending in the dermis forming an abscess

Question 3

Carbuncle

Answer 3

More superficial than a furuncle

Question 4

Erysipelas

Answer 4

Malar region. Sharply raised border and orange peel texture. Usually caused by strep

Question 5

Honey colored, crusted pustules

Answer 5

impetigo caused by B hemolytic strep or Staph

Question 6

Sepsis, cellulitis and hemorrhagic bullae after exposure to saltwater fish or shellfish in patients with cirrhosis or chronic illnesses such as DM, RA, CKD

Answer 6

Vibrio Vulnificus

Question 7

Skin ulcer with necrotic center in pt with neutropenia

Answer 7

Ecthyma gangrenosum from Peudomonas or other bacterial infections

Question 8

B Hemolytic strep=

Answer 8

S. pyogenes, S agalactiae

Question 9

Chronic nodular infection of distal extremities with exposure to fish tanks or marine environments

Answer 9

Mycobacterium marinum

Question 10

Chronic nodular infection of distal extremities with exposure to fish tanks or marine envionments

Answer 10

Mycobacterium marinum

Question 11

Chronic nodular infection of distal extremities with exposure to plants/soil

Answer 11

sporotrichosis and Nocardia

Question 12

Sepsis following dog bit in a patient with asplenia

Answer 12

Capnocytophaga canimorsus

Question 13

Swelling and erythema with pain out of proportion to physical exam findings

Answer 13

Necrotizing deep soft tissue infection (surgical emergency)

Question 14

Follicle centered pustules in beard and pubic areas, axillae and thighs

Answer 14

S. aureus folliculitis

Question 15

Follicle centered erythematous papules and pustules on the trunk, axillae and buttocks 1-4 days after hot tub or whirlpool exposure

Answer 15

Pseudomonas folliculitis

Question 16

Symmetric pink to brown patches with thin scale in intertriginous areas

Answer 16

Erythrasma caused by corynebacterium minutissimum

Will fluoresce to coral red color with wood lamp.

Question 17

Nonpurulent cellulitis treatment

Answer 17

Treat B hemolytic strep and MSSA

Dicloxacillin, Cephalexin, Clinda

Question 18

Purulent cellulitis (mild to moderate) treatment

Answer 18

Treat MRSA

clinda, Bactrim, Doxy

Question 19

Purulent cellulitis with extensive disease or signs of systemic toxicity treatment

Answer 19

IV Vanc or linezolid, daptomycin, telavancin, ceftaroline

Question 20

Impetigo treatment

Answer 20

treat as non-purulent cellulitis or with mupirocin

Question 21

Erysipelas

Answer 21

Ceftriaxone or pennicillin/amoxicillin

Question 22

Folliculitis

Answer 22

topical mupirocin or clinda

Question 23

Human bites

Answer 23

Ampicillin-sulbactam

Question 24

Animal Bites

Answer 24

Ampicillin- sulbactam or amoxicillin clavulanate

Question 25

Neutropenia

Answer 25

Vanc Cefepime

Question 26

Necrotizing fasciitis, compartment syndrome, myonecrosis, purple bullae or sloughing of skin

Answer 26

Imipenem, clinida, vanc, prompt debridement

Question 27

Erythrasma

Answer 27

Topical erythromycin, clarithromycin, clinda

Question 28

Treatment for mild DM foot infection

Answer 28

Cephalexin, dicloxacillin, Amox-Clav, Clinda

Question 29

Treatment for mild purulent DM infections (Risk for MRSA)

Answer 29

Clinda, Doxy, Bactrim

Question 30

Treatment for moderate DM infections

Answer 30

two drug therapy:
Bactrim + Amox-clav
Clinda + Cipro, levofloxacin or moxi

Question 31

Treatment for severe DM infections

Answer 31

B-lactam/B-lactamase inhibitor )amp- sulbactam
carbapenem
Fluoroquinolone
Surgical debridement