What is the recommended depth of compressions during infant/child CPR?

The recommended depth of compressions during CPR for infants and children is one-third the diameter of the chest. This guideline is crucial because it ensures that sufficient pressure is applied to the heart, allowing for effective blood flow during the compressions. The one-third measurement is based on pediatric anatomy, taking into account the size and proportionality of an infant's or child's chest, which is less developed compared to an adult's.

Using this guideline helps to maximize the effectiveness of compressions while minimizing the risk of injury to the child’s delicate ribs and organs. The depth is not specified as a flat figure but rather as a fraction of the chest diameter to accommodate the varying sizes of infants and children. This method allows for a more universal application across different ages and body sizes in the pediatric population, giving rescuers a clear standard to follow during an emergency.