When performing adult chest compressions, how deep should the compressions be?

When performing adult chest compressions during cardiopulmonary resuscitation (CPR), the recommended depth for effective compressions is at least 2 inches. This depth is critical because it allows for adequate blood circulation to vital organs, particularly the heart and brain. Compressions that reach this depth create the necessary pressure to mimic the heart's pumping action, which is essential for maintaining blood flow during a cardiac arrest situation.

The 2-inch depth corresponds to guidelines provided by leading health organizations, which emphasize not only the depth but also the rate and complete recoil of the chest between compressions. Proper technique ensures that the compressions are effective in promoting circulation until professional help arrives or the individual regains consciousness.

Compressions that are too shallow, as indicated by the lesser depths, would not provide sufficient blood flow to the critical areas in need, while deeper compressions could risk causing injury to the ribs or sternum, which can lead to further complications. Therefore, adhering to the 2-inch guideline strikes a balance between effectiveness and safety in adult CPR.