After successfully completing the BLS course, you should be able to: Describe the importance of high-quality CPR and its impact on survival. Describe all the steps in the chains of survival. Recognize the signs of someone needing CPR. Perform high quality CPR for an adult, a child, and an infant Describe the importance of early use of an automated external defibrillator. Demonstrate the appropriate use of an AED. Provide effective ventilation by using a barrier device. Describe the importance of teams in multirescuer CPR. Perform as and effective team member during multirescuer CPR. Describe the technique for relief of foreign body airway obstruction for an adult, a child and an infant.