How you check for consciousness: the AVPU (Alert, Voice, Pain and Unresponsiveness) scale.
On the HEAT course we teach Emergency Medicine rather than First Aid.
First Aid promotes the ABC (Airway, Breathing, and Circulation) system, although bleeding is the most common cause of avoidable death. In many hostile environments, you could face the threat of bullet wounds and mine injuries, especially from anti-personnel and anti-tank mines. […]