A 15-year-old male has been brought into the resuscitation room of your trauma centre by ambulance. He has a large wound to his neck, and no other obvious injuries. He is awake and alert. Vitals: HR 100, BP 100/70, RR 22, Sats 99% RA.

Neck laceration

1. Which zone of the neck does this injury involve? 1 mark

2. Define the boundaries of this zone. 2 marks

3. List (4) hard and (4) soft signs of damage to important neck structures. 8 marks

4. Assuming that there are no hard signs present and he is stable, what would be the next radiological investigation of choice in this case? 1 mark