Check for danger
Tap and shout to check responsiveness
Call emergency services
Send someone to get an AED
Open the airway
Check breathing for no more than 10 seconds
If not breathing normally, start chest compressions
Place the heel of one hand in the center of the chest
Place the other hand on top
Lock your elbows and keep your shoulders over your hands
Push hard and fast
Compress at a rate of 100 to 120 per minute
Compress to a depth of about 2 inches in adults
Allow full chest recoil after each compression
Give 30 chest compressions
Give 2 rescue breaths if trained and able
Continue cycles of 30 compressions and 2 breaths
Use an AED as soon as it is available
Follow the AED prompts
Continue CPR until help arrives, the person wakes up, or you are too exhausted to continue