Course Lengths All Emergency First Response courses are performance based, not time based. Individual course times typically vary based on: 1. Number of participants 2. Participant ability to meet the prescribed objectives 3. Instructor-to-student ratios 4. Course delivery options The following times are typical, based on a class size of 12: . Primary Care (CPR) - 4.5 to 6 hours . Secondary Care (First Aid) - 2.5 to 3.5 hours . Care for Children (Child and infant CPR/first aid) - 7 to 8 hours . Integrated Primary Care/Secondary Care and Care for Children - 8 to 9 hours . AED Course - 2 to 3 hours . CPR & AED Course (Americas) – 2.5 to 3 hours . First Aid at Work (Asia Pacific) - Minimum of 15 hours . First Aid at Work (Great Britain) - 24 hours Contact hours can be customized to meet specific industry requirments.