This document provides an overview of advanced cardiac life support (ACLS). It defines ACLS and describes the chain of survival and cardiac arrest algorithms. It explains how to manage cardiac arrest, including defibrillation, cardiac rhythms, and post-cardiac arrest care. The document outlines the ACLS approach, which continues basic life support efforts to restore spontaneous circulation and neurologic function through interventions like CPR, defibrillation, and advanced medical treatment.