What is the correct compression depth for adult CPR?

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The correct compression depth for adult CPR is crucial for ensuring effective circulation during cardiac arrest. The depth of 2 to 2.4 inches is based on research and guidelines that indicate this range provides sufficient pressure to create positive pressure within the thoracic cavity, which is necessary for blood to return to the heart and be pumped to vital organs.

When performing CPR, achieving a depth of at least 2 inches helps to adequately compress the chest and can significantly impact the outcome of a cardiac arrest situation by improving blood circulation to vital organs, especially the brain and heart. The specification of not exceeding 2.4 inches is also critical, as compressions that are too deep can lead to complications such as rib fractures or damage to internal organs.

Understanding and applying this correct compression depth is essential for any bystander or trained rescuer performing CPR, as it directly influences the efficacy of the resuscitation efforts.