Emergencies

Question 1

What is erythema multiforme?

Answer 1

A hypersensitivity reaction usually triggered by infection (most commonly HSV)

Question 2

Describe the characteristic rash which is present in erythema multiforme

Answer 2

Erythematous target lesions

Question 3

What is Stevens-Johnson Syndrome (SJS)?

Answer 3

Mucocutaneous necrosis with involvement of at least two mucosal sites

Question 4

What are the causes of SJS?

Answer 4

Usually drugs - most commonly antiepileptic drugs including lamotrigine, phenytoin and carbamazepine

Question 5

What is Toxic Epidermal Necrosis (TEN)?

Answer 5

Extensive mucocutaneous necrosis

Question 6

What are the causes of TEN?

Answer 6

Usually drugs

Question 7

What is erythroderma?

Answer 7

Exfoliative dermatitis affecting 90% of the skin surface

Question 8

What is eczema herpeticum?

Answer 8

Secondary viral infection of eczema (HSV)

Question 9

Which drug is used to treat eczema herpeticum?

Answer 9

Aciclovir

Question 10

What is necrotising fasciitis?

Answer 10

A rapidly spreading infection of the deep fascia with secondary tissue necrosis

Question 11

How do you initially manage a dermatological emergency?

Answer 11

A-E approach

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