when giving chest thrusts to an infant, to which depth should you press?

Press to a depth of about 1.5 inches (4 cm), which is roughly one‑third of the infant’s chest depth.

Safe depth for infant chest thrusts

• For infants under 1 year, the recommended depth for chest thrusts and compressions is about 1.5 inches or one‑third the front‑to‑back diameter of the chest.

• This depth is considered safe and effective for generating enough pressure to move air and blood without causing excessive injury in most cases.

How to position your fingers

• Place two fingers (index and middle) on the breastbone (sternum) just below the nipple line in the center of the chest.

• Keep your fingers vertical over the sternum so the force goes straight down and avoid pressing on the ribs or the very bottom of the breastbone.

Technique tips during chest thrusts

• Use quick, firm, controlled thrusts, allowing the chest to fully recoil (rise back up) between each press.

• Avoid pressing significantly deeper than 1.5 inches, as this increases the risk of rib fractures or internal injury, but also avoid very shallow thrusts, which may not be effective.

If you care for infants regularly, taking an accredited infant CPR and first aid course (AHA, Red Cross, or equivalent) is strongly recommended so you can practice this skill on manikins in a supervised setting.

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Learn when giving chest thrusts to an infant, to which depth should you press, with clear guidance on the safe recommended depth (about 1.5 inches), finger placement, and technique for emergencies.

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