Which statement is true regarding high-quality CPR?

High-quality CPR is characterized by specific techniques that maximize the effectiveness of chest compressions and rescue breaths, ultimately improving the chances of survival for an individual experiencing a cardiac arrest. In the context of the correct statement, when performing chest compressions, it is crucial that the chest fully recoils after each compression. This allows the heart to refill with blood, which is essential for maintaining circulation and delivering oxygen to vital organs.

Full chest recoil is vital for effective blood flow during CPR because it helps create negative pressure in the thoracic cavity, aiding venous return to the heart. If there is insufficient recoil, the heart does not refill adequately, which can significantly reduce the effectiveness of the compressions being performed. Therefore, emphasizing full chest recoil as part of high-quality CPR practices is essential to ensure optimal blood circulation.

Other statements that contradict this practice highlight common misconceptions or errors in performing CPR. While excessive ventilations can hinder the balance of chest compressions and breaths, proper ventilation ratios should be maintained without overdoing it. Not allowing full recoil diminishes the effectiveness of the compressions, and claiming compression depth is unimportant directly opposes the recognized importance of depth for ensuring adequate blood flow during CPR.