What action should be taken if the AED provides instructions to "Shock advised"?

When the AED indicates "Shock advised," the appropriate action is to ensure that no one is in contact with the patient and then deliver the shock. This step is crucial because delivering a shock requires that the patient is isolated from any potential interference, such as physical contact with bystanders or responders, which could result in injury to them or hinder the effectiveness of the shock.

The AED's recommendation to deliver a shock is based on the detection of a heart rhythm that is chaotic or ineffective for pumping blood. By administering the shock as instructed, you provide the heart a chance to reset and potentially resume a normal rhythm.

It’s important to follow the AED's prompts carefully to maximize the chances of successfully resuscitating the patient. Other options, like continuing CPR, removing the AED pads, or waiting for emergency services, would not address the immediate and critical need to deliver the shock as indicated, which is vital for reversing the life-threatening arrhythmia.