Which of the following is NOT part of the adult chain of survival?

The adult chain of survival is a series of critical actions that, when performed promptly, can significantly improve the outcomes for a patient experiencing a cardiac emergency. It typically includes early recognition and call for help, early CPR, early defibrillation, advanced life support, and post-cardiac arrest care.

The aspect of rapid blood pressure monitoring does not constitute a part of the adult chain of survival. While monitoring blood pressure is an important component of ongoing patient assessment and care, especially in advanced life support settings, it is not one of the immediate actions outlined in the chain of survival for adult cardiac emergencies. The focus in the chain of survival is on timely interventions to restore circulation and breathing, as well as ensuring effective post-resuscitation care.

The other components—early CPR, advanced life support, and post-cardiac arrest care—are all essential elements that directly contribute to improving a patient's chance of survival and recovery following a cardiac event. Hence, rapid blood pressure monitoring is the correct choice, as it does not fit within the framework of the immediate actions necessary in the chain of survival.