Can I kill someone if I do CPR incorrectly? No. Remember the person in cardiac arrest is already clinically dead. CPR can only help.

Can you die from CPR?

In 2015, any-mention sudden cardiac arrest mortality in the US was 366,807. CPR, especially if administered immediately after cardiac arrest, can double or triple a person's chance of survival. About 90 percent of people who experience an out-of-hospital cardiac arrest die.

Can CPR be harmful?

By performing CPR, you are unlikely to cause any harm to the person if they are not actually in cardiac arrest.