What is the first step in CPR for an unresponsive adult?

The first step in CPR for an unresponsive adult involves checking for responsiveness and calling for help. This step is crucial because it determines whether the person needs immediate assistance and helps activate emergency medical services.

By checking for responsiveness, you assess if the individual is conscious or if they require urgent care. This can involve gently shaking the person and shouting to see if they respond. If they are unresponsive, calling for help ensures that additional resources are on the way, allowing you to focus on providing care.

Only after confirming that the individual is unresponsive and has no signs of breathing should you proceed to check for a pulse or to initiate chest compressions. Jumping straight to chest compressions or rescue breaths without ensuring the situation is appropriately assessed can delay other critical interventions. Therefore, the correct first action in response to an unresponsive adult is to check for responsiveness and summon help.