ACLS cannot succeed without high-quality CPR. This includes chest compressions at a rate of 100–120 per minute with complete chest recoil and minimal interruptions.

Establishing IV/IO access, administering fluids/medications, and monitoring CPR quality.

Identifying and treating reversible causes, commonly known as the H’s and T’s (e.g., Hypovolemia, Hypoxia, Toxins, Tamponade). Systems of Care and Team Dynamics