What should be your next step after three "no shock indicated" messages from the AED?

After receiving three "no shock indicated" messages from the AED, the appropriate next step is to acknowledge the situation and prepare for transport. This is because a "no shock indicated" message typically means that the AED has determined that the patient's heart rhythm is not one that requires defibrillation. At this point, the focus shifts to providing appropriate medical care, which often involves continuing CPR and preparing to transport the patient to a medical facility for further evaluation and treatment.

In a cardiac arrest scenario, if no shock is advised, it indicates that the patient may still have a pulse or it's a non-shockable rhythm, such as asystole or pulseless electrical activity. Acknowledging this and preparing for timely transport becomes crucial to ensure that the patient receives further medical intervention as soon as possible.

Other options, while related to the situation, do not address the immediate need for transportation after multiple assessments by the AED. Checking the AED battery/power supply might not be necessary at this stage, since the device provided its assessment, and initiating CPR is important, but it's not the next step after receiving the no shock advice when transport is imminent. Consulting medical control could be valuable later, but acknowledging the situation and preparing for transport is the prioritized course