1: Cellulitis Flashcards
Define cellulitus
Infection of deep dermis and subcutaneous tissue
What is the difference between cellulitis and erysipelas
Cellulitis = deep dermis and SC tissue Erysipelas = superficial dermis
what causes cellulitis most commonly
Staphylococcus aureus
what else can cause cellulitis
Group A Streptococcus
what are 5 RF for cellulitis
- Diabetes
- Peripheral arterial disease
- Chronic venous insufficiency
- Chronic lymphedema
- Obesity
how does cellulitis present
Erythema of the skin and swelling
- May present with fever
where is cellulitis most common
Over shins
how is cellulitis investigated
inspection
- may perform wound swab if infection
what classification system is used for cellulitis
ERON classification system
what is ERON classification I
- No systemic upset
- No uncontrolled co-morbidities
what is ERON class 2
- Systemic upset
- No systemic upset, but co-morbidities that may complicate or delay healing
what is ERON class 3
- Significant systemic upset (hypotension, tachycardia)
- Severe unstable co-morbidities = limb-threatening infection
what is ERON class 4
- Sepsis or necroitisng-fascitis = life-threatening
when are patients admitted for IV antibiotics with cellulitis
- Eron class 3 or 4
- Immunocompromised
- Under 1 or Frail
- Peri-orbital cellulitus
- Lymphedema
How is non-severe cellulitis managed
7d Flucloxacillin PO
