These updated medical and workplace guidelines provide comprehensive protocols for delivering emergency first aid and adult basic life support. The sources emphasize early recognition of cardiac arrest, instructing bystanders to prioritize calling emergency services before assessing breathing or starting high-quality CPR. Detailed instructions cover the use of Automated External Defibrillators (AEDs), managing life-threatening bleeding with tourniquets, and treating common emergencies like choking, anaphylaxis, and strokes. Special focus is placed on the vital role of ambulance call handlers in guiding untrained rescuers through life-saving interventions. Furthermore, the texts outline legal responsibilities, infection control, and the necessary contents for workplace first aid kits. Overall, the documentation aims to empower the public to act decisively to preserve life without fear of causing harm.