• New science and education from the 2020 AHA Guidelines Update for CPR and ECC

• The components of high-quality CPR for adults, children, and infants
• The AHA Chain of Survival for prehospital and in-facility providers
• Important early use of an AED
• Effective ventilations using a barrier device
• Importance of teams in multirescuer resuscitation and performance as an effective team member during multirescuer CPR
• Relief of foreign-body airway obstruction (choking) for adults and infants