Cardiopulmonary resuscitation (CPR) is an emergency medical procedure for a victim of cardiac arrest…
It’s not Rocket Science, it’s Hands-Only CPR [American Heart Association]
It’s not normal to see an adult suddenly collapse, but if you do, call 911 and push hard and fast in the center of the chest. It’s called Hands-Only CPR.
Hands-Only (Compression-Only) Cardiopulmonary Resuscitation: A Call to Action for Bystander Response to Adults Who Experience Out-of-Hospital Sudden Cardiac Arrest
Circulation. 2008 Apr 22;117(16):2162-7. Epub 2008 Mar 31. Free full text.