Dermatological Emergencies Flashcards
Necrotising fasciitis progression
Painful erythema
Few days later - skin breakdown
Later - Anaesthesia + blue/grey necrosis
Hypotension + Fever
Types of necrotising faciitis
Type I
Type II
Type I necrotising faciitis
Polymicrobial
Mix of aerobic and anaerobic pathogens
Type II necrotising faciitis
Monomicrobial:
Staph Aureus - most common
GAS
Mx of necrotising faciitis
Urgents surgical referral Debridement Broad spectrum IV abx Haemodynamic support Amputation
Abx for necrotising faciitis
Carbapenam or beta lactamase inhibitor bacteria
+ Clindamycin
+ MRSA cover (Vancomycin)
When to think about necrotising faciitis
Disproportional painful erythema
Erythema with purple/grey tinge
Systemically unwell
Other name of meningococcaemia
Meningococcal septicaemia
RFs for Meningococcal septicaemia
Immunocompromised
Asplenic
Sx of Meningococcal septicaemia
Fever Non blanching rash Headache N/V Neck stiffness Photophobia Seizure
Rx of Meningococcal septicaemia
Ceftriaxone IV 7 days
Close contact prophylaxis for Meningococcal septicaemia
Rifampicin
Complications of Meningococcal septicaemia
Seizures
DIC
Raised ICP
Scale of Stevens-Johnson syndrome
Erythema multiforme
Stevens-Johnson syndrome - mucus membrane involvement
Toxic Epidermal Necrolysis
Sx of Stevens-Johnson syndrome
Flu like Sx
Few days later - target rash non itchy
Burning/peeling of skin
Ulcers - genital tract, mouth/throat, corneal