Cellulitis and necrotising fasciitis Flashcards
What is cellulitis?
Common infection of deep dermis and underlying soft tissue
What are the most common causative organisms of cellulitis?
Staph aureus
Strep pyogenes
What are the risk factors for cellulitis?
Local= breach in skin e.g. eczema, psoriasis, ulcer, athlete’s foot
Systemic e.g. immunodeficiency
What is the presentation of cellulitis?
Poorly demarcated erythema and warmth
Tense, thick and painful skin
Oedema
Bullae
What is the most common location for cellulitis?
Shins
How is cellulitis diagnosed?
Eron classification
What is a differential for cellulitis?
DVT
What is the management of cellulitis?
- Flucloxacillin - penicillin allergic= clairythromycin
2. Vancomycin
What is an important emergency type of cellulitis?
Orbital cellulitis= seen in 7-12 years old
What are the 2 types of necrotising fasciitis?
1= most common, caused by mixed aerobes and anaerobes 2= strep pyogenes
When is a classic type 1 nec fasciitis?
Post surgery in diabetes
What is the presentation of nec fasciitis?
Acute onset
Painful erythematous lesion
Rapidly worsening
Pain out of keeping with physical characteristics
What is the management of nec fasc?
ABC and sepsis 6
IV broad spec anx= ben pen, fluclox, gent and clindamycin
Urgent plastic surgery referral
