Skin & Soft Tissue Infection

Question 1

Bugs that cause non-purulent cellulitis

Answer 1

Beta strep (s.pyogenes)
S.aureus

Question 2

Bugs that cause pus cellulitis

Answer 2

MRSA

Question 3

PO drugs for cellulitis

Answer 3

Clindamycin
TPM-SMX (strep not as much so + amoxicillin)
Doxy (“ “ + amoxicillin)
Linezolid

Question 4

IV drugs for cellulitis

Answer 4

Vanco
Dapto
Linezolid
Ceftaroline

Question 5

Impetigo presentation

Answer 5

Honey-crusted rash (due to pus drainage)
Often on mouth/face
Contagious

Question 6

Bugs that cause impetigo

Answer 6

S. aureus

S. pyogenes

Question 7

Drugs for impetigo

Answer 7

Mupiricin

Bacitracin

Question 8

Name the 3 steps of sepsis progression.

Answer 8

SIRS
Severe sepsis
Septic shock

Question 9

What is SIRS?

Answer 9

Systemic Inflammatory Response Syndrome
2+ of  the following:
- Fever
- Tachycardia
- Hypoxemia or hypercapnia 
- Elevated white count

Question 10

What is severe sepsis?

Answer 10

SIRS +
Hypotension
Hypoperfusion = elevated serum lactate
Organ dysfxn

Question 11

What is septic shock?

Answer 11

Not responding to fluid resuscitation

Question 12

What bug causes surgical wound infections most commonly?

Answer 12

S.aureus

Question 13

Which patients have increased risk of being chronic S.aureus carriers?

Answer 13

IDU (IV drug user)
Hemodialysis
Diabetes
Eczema