What is different in CPR for adults compared to CPR for babies?

The depth of compressions in CPR for adults compared to CPR for babies is indeed a critical difference. For adults, the guidelines recommend compressing the chest to a depth of about 2 to 2.4 inches (5 to 6 cm), whereas for infants, the depth is considerably less, approximately 1.5 inches (about 4 cm). This difference is primarily due to the size and structural differences between adult and infant bodies. Infants have much smaller, more fragile chests and organs, so adequate depth must be balanced with the risk of causing injury, ensuring that compressions are effective yet safe. This adjustment in depth reflects the physiological needs and vulnerabilities of the different age groups during resuscitation efforts.