Answer :
Final answer:
Cardiac arrest is a medical emergency that requires immediate intervention. If an EMT is in doubt about whether to resuscitate a patient in cardiac arrest, the best decision is to start resuscitation efforts immediately.
Explanation:
Cardiac arrest occurs when the heart no longer pumps blood or pumps blood so poorly that vital organs can no longer function. This is a medical emergency requiring immediate intervention. In the case where an EMT is in doubt about whether to perform resuscitation, the best decision is to start resuscitation efforts immediately. Delaying resuscitative measures can be life-threatening for the patient.