Final answer:
The recommended CPR chest compression fraction of a high-performance team is at least 80%, signifying that chest compressions are given during that fraction of the resuscitation effort, maximizing blood flow to vital organs.
Step-by-step explanation:
The recommended CPR quality indicator for a high-performance team is a chest compression fraction of at least 80%. This metric refers to the proportion of time during a cardiac arrest in which chest compressions are being administered. The goal is to minimize interruptions and maximize blood flow to vital organs, especially the brain. Applying pressure on the sternum between T4 and T9 during CPR allows for the manual compression of blood within the heart, pushing it into the pulmonary and systemic circuits.
Proper CPR technique includes compressing the chest at least 5 cm deep and at a rate of 100 compressions per minute. It's critical to perform high-quality chest compressions to maintain blood flow until the heart can resume beating or until advanced medical help arrives. Therefore, rigorous training and certification in CPR are essential for medical personnel and the public to prevent complications like broken ribs or damage to internal organs.