What is the recommended depth for chest compressions in adult CPR?

The recommended depth for chest compressions during adult CPR is between 2 to 2.4 inches. This depth ensures that compressions are sufficient to generate effective blood flow during cardiac arrest. Compressing the chest to this depth allows for optimal venous return and helps to maintain circulation to vital organs, particularly the brain and heart itself.

Compressions that are too shallow may fail to adequately circulate blood, reducing the chances of survival. The specified depth also aligns with guidelines set by authoritative bodies such as the American Heart Association, which emphasizes the importance of depth, along with maintaining a rate of 100 to 120 compressions per minute. Ensuring that compressions are within this depth range maximizes the effectiveness of CPR efforts in the event of a cardiac event.