Final answer:
Immediate initiation of chest compressions is essential once cardiac arrest is recognized, with an emphasis on high-quality compressions at the correct depth and rate.
Step-by-step explanation:
Once cardiac arrest is recognized, it is critical to start chest compressions immediately. Compressions should be initiated with minimal delay, preferably within seconds of recognition. The technique involves pressing down on the sternum at least 5 cm deep and at a rate of 100 compressions per minute, which corresponds to the beat of the song "Staying Alive" by the Bee Gees.
Performing high-quality chest compressions is of the utmost importance and should continue until the patient shows signs of life or until a trained healthcare provider can take over. Immediate action is crucial as irreversible brain damage due to lack of oxygen can occur within minutes, hence the importance of prompt CPR initiation.