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Cardiopulmonary resuscitation (CPR): First aid

To do CPR on a baby 4 weeks old or older

Sudden cardiac arrest in babies is usually due to a lack of oxygen, such as from choking. If you know that the baby's airway is blocked, give first aid for choking. If you don't know why the baby isn't breathing, start CPR.

First, touch the baby and watch for a reaction, such as movement. Don't shake the baby.

If the baby doesn't react, call 911 or your local emergency number first. Then start CPR right away.

Follow the compressions, airway and breathing (C-A-B) method for a baby under age 1. Do not follow this method for babies up to 4 weeks old, who are called newborns.

If you saw the baby collapse, start CPR right away. Use an AED as soon as one is available. If you're with another person who can help, have that person call for help right away and get the AED. You stay with the baby and do CPR.