Advanced cardiac life support is the best way to help someone whose heart has stopped beating, also known as a cardiac arrest. It's a critical part of the overall process called CPR. This advanced set of actions is essential for trying to save a person's life in such a serious situation. It involves a specific sequence of steps that trained medical providers follow to try to restart the heart and bring the person back to life. By providing this advanced care quickly and efficiently, medical teams aim to give the person the best chance of surviving a cardiac arrest.