This document provides an overview of first aid techniques for various common medical emergencies. It covers assessing consciousness, examining a casualty, treating wounds like cuts, abrasions and puncture wounds. It also outlines first aid protocols for bleeding, fractures, burns, performing CPR, treating shock, and assisting someone during an asthma attack. The key steps for conditions like bleeding and fractures involve not moving the casualty, splinting fractures, applying pressure to wounds and treating for shock. CPR involves tilting the head, pinching the nose, giving rescue breaths and chest compressions.