Safety, Fire & Survival · First Aid — AED
An automated external defibrillator (AED) is used on a casualty who is:
- ABleeding from a cut finger
- BConscious and talking
- CUnresponsive and not breathing normally — it analyzes the heart rhythm and advises a shock if appropriate✓ Correct
- DSeasick but otherwise well
Explanation
An AED is applied during cardiac arrest (unresponsive, not breathing normally) as part of CPR. It analyzes the rhythm and delivers a shock only for shockable rhythms, prompting the rescuer through the steps. CPR is continued between analyses until recovery or relief.
Authority: First aid / resuscitation standards
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