How deep should chest compressions be performed on an adult patient?

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Chest compressions on an adult patient should be performed at a depth of at least 2 inches. This depth is essential because it allows for effective circulation during CPR by adequately compressing the heart, enabling blood to flow to the vital organs. Inadequate depth can result in insufficient blood flow, diminishing the chances of survival and recovery from cardiac arrest.

The recommendation for a depth of at least 2 inches aligns with guidance from organizations such as the American Heart Association, which states that this depth helps create enough pressure in the chest cavity to promote blood circulation. Additionally, the technique involves allowing complete chest recoil between compressions, which aids in venous return and further enhances the effectiveness of the compressions.