How deep should chest compressions be in adult CPR?

For adult CPR, chest compressions should be performed at a depth of 2 inches (5 cm). This depth is recommended because it generates adequate blood flow to critical organs, such as the heart and brain, during cardiopulmonary resuscitation. Compressing the chest to this depth ensures that the heart can effectively pump blood when chest compressions are released.

The guidelines emphasize using a depth of 2 inches as it strikes a balance between creating sufficient pressure to circulate blood and avoiding injury to the ribs or internal organs. Compressions that are either too shallow may fail to provide the necessary circulation, while depths beyond 2.4 inches (approximately 6 cm) could pose a risk of serious injury to the patient.

Understanding the appropriate depth is crucial in CPR to maximize the chances of survival during a cardiac arrest situation, highlighting the importance of training and adherence to established CPR protocols.