When a medical emergency suddenly occurs, this book can literally become a lifesaver. Whether it’s first aid or the creation of a rescue lane, such topics have been heavily and extensively discussed in the media in the past. The same question keeps arising: How can untrained bystanders help in an emergency? These considerations are of great importance, as medical emergencies can happen anytime and anywhere, affecting anyone. While emergency services are usually quick to arrive, there are still medical conditions that can lead to death even in that short timeframe. This places a crucial responsibility on the first responder – their actions can make the difference between life and death. Unfortunately, the knowledge of many people regarding first aid is not in a good light.