Gangrene, Cellulitis & Erysipelas Flashcards
1
Q
How does Cellulitis or Erysipelas occur?
A
When bacteria penetrate broken skin and causes cutaneous infection
2
Q
MC bacteria causing Cellulitis
A
- S. aureus
- Group A B-hemolytic Streptococci - S. pyogenes
3
Q
MC bacteria causing Erysipelas.
A
- Group A B-hemolytic Streptococci - S. pyogenes
4
Q
Cutaneous structures involved in Cellulitis
A
- Deeper dermis
- Subcutaneous fat
5
Q
Cutaneous structures involved in Erysipelas
A
- Upper dermis
- Superficial lymphatics
6
Q
CFs of C/E
A
- Erythema
- Edema
- Warmth
7
Q
MC location of C/E
A
LE
8
Q
Lesion characteristics in Erysipelas
A
- Raised
- Clear line of demarcation b/w lesion & skin
9
Q
Clinical course of Erysipelas
A
- Acute onset
= Systemic symp –> fever & chills
10
Q
Severe infections that should be considered if there is rapid erythema + systemic toxicity.
A
- Necrotizing fasciitis
- Toxic Shock Syndrome
- Gas gangrene 4
11
Q
Empiric Tx of purulent/ non-purulent Cellulitis
A
Oral
- Clindamycin
- Amoxicillin + TMP-SMX
- Amoxicillin + Tetracycline
12
Q
Tx of Erysipelas w/o systemic manifestation
A
Oral
- Penicillin or Amoxicillin
13
Q
Tx of Erysipelas w/ systemic manifestation
A
IV
- Ceftriaxone or Cefazolin
