American Red Cross BLS Provider Practice Test 2025 – Your All-In-One Guide to Basic Life Support Success!

Question: 1 / 400

What is the most effective CPR technique for a 4-month-old infant in cardiac arrest?

Standing or kneeling with encircling thumbs technique

The most effective CPR technique for a 4-month-old infant in cardiac arrest is the encircling thumbs technique. This method involves using both hands to form a "C" shape around the infant’s chest, with the thumbs placed on the lower half of the breastbone. By applying compressions with the thumbs while providing support with the fingers, this technique allows for adequate chest compression depth and minimizes the risk of injury to the infant.

This method is particularly advantageous for infants due to their small chest size, as it allows for better control of the compression depth and ensures that the heart is effectively compressed. It also facilitates a more stable position during the procedure and allows the rescuer to maintain a clear airway by keeping one hand available for ventilation if necessary.

Other techniques mentioned are less suitable for infants. The two-hand technique may be better suited for older children or adults, as it does not adapt well to the smaller chest of an infant. The two-finger technique, while sometimes used, does not provide as effective compressive force as the encircling thumbs method and can be less stable. Hands-only CPR, which emphasizes continuous compressions without breaths, is not appropriate for infants, especially those in cardiac arrest, as they require a combination of breaths and

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Standing to the side using two-hand technique

Standing to the side using two-finger technique

Standing to the side providing hands-only CPR

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