An adult casualty is not breathing. To maintain circulation, compressions should be given. What is the correct depth to press?

Explanation: An adult casualty is not breathing normally. To maintain circulation place two hands on the centre of the chest. Then press down hard and fast - around 5-6 centimetres and about twice a second.

Category: Incidents, Accidents and Emergencies

References: The Official DVSA Guide to Driving: Section 16, Highway Code: Page 132