BURNS

Question 1

Aetiology of burn injury

Answer 1

• heat
• electric- myoglobin injury
• Chemical
• UV/sunburn
• Acid

Question 2

Investigations of burns

• heat
• electrical

Answer 2

Heat:
Airway- check for inhalational/smoke injury

If on face= corneal injury

Electrical burn:- cause rhabdomyolysis
CK
Myoglobin
ECG

Carbon monoxide levels

Percentage of body burned- rule of nines

Degree of burn

Question 3

Types of burns and symptoms

Answer 3

First degree- erythema, pain, NO blisters
Second degree- red, mottled,blisters
Third degree- dark + leathery OR white, dry

Question 4

Causes of first degree burns

Answer 4

Sunburn

Question 5

Causes of second degree burns

Answer 5

Hot liquids

Question 6

Causes of third degree burns

Answer 6

Fire
Electricity
Lighting
Prolonged exposure to hot liquid/object

Question 7

Signs of severe burn?

Answer 7

Oedema surrounding

Singed hair etc

Question 8

Rule of nines

Answer 8

Both arms- nine%
Thorax and abdo- eighteen%
Each leg- nine%
Head- nine%

Question 9

Pathophysiology

Answer 9

At centre- coagulative necrosis
Stasis
Hyperemia

Question 10

Management [don’t need to know]

Answer 10

Hydration
Avoid hypothermia
Nutrition
Removing constricting clothing
ATLS protocol