How often should rescuers change roles during CPR in a team setting?

In a team setting during CPR, it is essential for rescuers to change roles approximately every 2 minutes. This timeframe is recommended because it allows rescuers to manage fatigue efficiently while maintaining high-quality chest compressions. After about 2 minutes of continuous effort, rescuers can experience fatigue, which could lead to a decrease in the effectiveness of compressions. By rotating roles at this interval, each rescuer can provide adequate compressions with optimal depth and rate, which is critical for maintaining blood circulation and delivering oxygen to vital organs during a cardiac emergency. This practice also allows for brief moments of rest, ensuring that all team members can stay alert and responsive throughout the resuscitation effort.