Chain of Survival (ACLS)

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The 6 links in the adult out-of-hospital Chain of Survival are:

1. Recognition of cardiac arrest and activation of the emergency response system (calling 9-1-1 in the US).
2. Early CPR with an emphasis on chest compressions.
3. Rapid defibrillation.
4. Advanced resuscitation by Emergency Medical Services and other healthcare providers.
5. Post-cardiac arrest care.
6. Recovery (including additional treatment, observation, rehabilitation, and psychological support).

A strong Chain of Survival can improve chances of survival and recovery for victims of cardiac arrest.