As an expert in emergency medical services, I can provide you with the
chain of survival for adults, which is a concept developed to improve the chances of survival for someone who is experiencing a cardiac arrest. The chain is divided into four links:
1. **Early Access to Emergency Response System**: Recognizing that someone is having a cardiac arrest and calling emergency services immediately.
2. **Early CPR (Cardiopulmonary Resuscitation)**: Starting CPR right away with hands-only compressions, which can keep blood flowing to the brain and heart.
3.
Early Defibrillation: Using an Automated External Defibrillator (AED) to give a shock to the heart and try to restore a normal heart rhythm.
4.
Advanced Care: Receiving further medical treatment as soon as possible after the cardiac arrest.
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