Which method is used to administer compressions to an infant during CPR?

The appropriate method for administering compressions to an infant during CPR involves using two fingers placed just below the nipple line on the breastbone. This technique is critical because it allows the rescuer to deliver effective chest compressions while minimizing the risk of causing injury to the infant, whose chest is much smaller and more fragile than that of an adult.

Using two fingers provides the necessary mechanical advantage to compress the chest adequately while ensuring that the compressions are performed at the proper rate and depth, which is essential for effective circulation during cardiac arrest. It allows the rescuer to maintain control and precision during the process, which helps to ensure that the compressions are both effective and safe.

In contrast, methods like using one hand or both hands are more appropriate for older children or adults, where the chest size can accommodate those techniques without posing a risk of injury. Using the heel of the hand on the stomach is not correct, as this does not deliver compressions to the heart, which is the primary goal during CPR.