When is it appropriate to use an AED?

Using an Automated External Defibrillator (AED) is appropriate when a person is unresponsive and not breathing normally. This situation indicates that the individual may be experiencing a cardiac arrest, which is a critical emergency requiring immediate intervention. The AED is designed to analyze the heart's rhythm and deliver a shock if necessary, which can restore a normal heartbeat and significantly improve the chances of survival.

In contrast, a person who is breathing normally does not require the use of an AED, as this indicates that their heart is still functioning adequately. Similarly, a conscious individual who feels unwell might be experiencing various issues that do not necessarily indicate cardiac arrest and would not benefit from an AED. Lastly, while providing first aid for bleeding is crucial, it does not relate to the scenarios that warrant the use of an AED, which is specifically tailored for cases of cardiac arrest. Thus, recognizing the signs of unresponsiveness and abnormal breathing is vital in determining the appropriate use of an AED.