Adult Basic Life Support (BLS) Algorithm Please purchase the course before starting the lesson. Adult BLS Algorithm FigureĀ 7 Advanced Cardiac Life Support (ACLS) Certification Course Previous Next Collapse Expand ACLS Basic Life Support ACLS BLS for Adults Initiating the Chain of Survival 2020 BLS Guideline Changes One Rescuer Adult BLS CPR Two Rescuer Adult BLS CPR Adult Mouth-to-Mask and Bag-Mask Ventilation Adult Basic Life Support (BLS) Algorithm BLS for Children/Infants CPR Steps for Children One-Rescuer BLS/CPR for Infant (newborn to age 12 months) CPR Steps for Infants Child/Infant Mouth-to-Mouth Ventilation