Emergencies

Question 1

Appearance of erythroderma

Answer 1

Exfoliative dermatitis involving >99% skin

Oedematous and scaly skin

Question 2

Causes of erythroderma

Answer 2

Allopurinol 
Sulphonylureas 
Sulphonamides
Psoriasis
Idiopathic
Lymphoma 
Eczema

Question 3

Management of erythroderma

Answer 3

Treat underlying cause
Emollients to maintain skin moisture
Topical steroids to relieve inflammation

Question 4

Complications of erythroderma

Answer 4

Secondary infection
Fluid loss
Hypothermia

Question 5

Appearance of eczema herpeticum

Answer 5

Extensive crusted papules and blisters

Question 6

Cause of eczema herpeticum

Answer 6

Herpes simplex virus on background of atopic eczema

Question 7

Management of eczema herpeticum

Answer 7

Aciclovir

ABx for secondary infection

Question 8

What is necrotising fasciitis

Answer 8

Rapidly spreading group A beta haemolytic streptococci infection of deep fascia

Question 9

Appearance of necrotising fasciitis

Answer 9

Erythematous, blistering and necrotic skin

Gas in subcutaneous tissue leads to crepitus

Question 10

Management of necrotising fasciitis

Answer 10

Surgical debridement

Antibiotics e.g penicillin and gentamicin