Question 1

How many times do you clear during AED use?

Accepted Answer

There are two clearing moments in each AED cycle: once before rhythm analysis and once before shock delivery if a shock is advised. If the AED does not advise a shock, you still need to clear for analysis, but there is no second clear before a shock. Both clearing moments require everyone to step away from the patient and stop any physical contact.

Question 2

Does it hurt to touch someone when the AED shocks them?

Accepted Answer

If someone is in contact with the patient when the shock is delivered, they may feel the current. It is not typically dangerous to a healthy adult, but it can startle the person and disrupt the scene. Contact can also interfere with safe shock delivery. Clearing is required, not just recommended.

Question 3

Do you have to stop CPR for AED analysis?

Accepted Answer

Yes. Chest compressions have to stop during rhythm analysis. The AED cannot take an accurate reading while compressions are happening. The pause is brief, but it has to happen cleanly. Once the device completes analysis, the response continues immediately through shock delivery or back to CPR.

Question 4

What do you do after the AED shock?

Accepted Answer

Resume CPR immediately when the AED tells you to. Do not wait to see whether the person responds before starting compressions again. The AED will continue analyzing every two minutes and will advise additional shocks if the rhythm remains shockable. The response continues until EMS arrives or the person shows clear signs of recovery and normal breathing.

Question 5

Is it safe to use an AED on someone lying in water?

Accepted Answer

Move the person away from standing water before using the AED. Water conducts electricity, and a patient lying in a puddle creates a risk of the current spreading to bystanders or short-circuiting the shock. Quickly move the person to a dry surface if possible, dry the chest before placing the pads, and then proceed with the response. A dry chest also helps the pads adhere properly.

Question 6

What if someone refuses to step back when you say clear?

Accepted Answer

Address them directly. Say their name if you know it, make eye contact, and tell them specifically to step back. A general “clear” can get lost in the noise and stress of an emergency. Direct instruction to a specific person is much more effective than repeating the general command and hoping the outcome changes. The shock cannot be delivered safely until everyone is clear.

Question 7

Does the AED clear itself or does the rescuer have to manage it?

Accepted Answer

The AED handles the rhythm analysis and shock decision. The rescuer is responsible for scene control. The device will tell you when to clear, but it cannot make people step back or check whether someone is still touching the patient. The device does the clinical work. The rescuer manages the room.

Question 8

Where can I learn the full CPR and AED sequence with practice?

Accepted Answer

The AHA BLS class covers the full CPR and AED sequence with hands-on practice on manikins and AED trainers. That repetition is what makes the pause-and-resume rhythm feel natural before you need it. If you want training for a group at your location, onsite training brings the class to your workplace or facility.

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