During CPR on a 6-month old infant, which technique should be used for chest compressions?

The correct technique for performing chest compressions on a 6-month-old infant is the encircling thumbs technique. This method is particularly appropriate for infants because it allows for consistent and effective compressions while providing the user with stability and control during the process.

Using the encircling thumbs technique involves using both hands to encircle the infant's chest, with the thumbs positioned over the lower half of the breastbone (sternum). This technique is effective because it supports the infant’s fragile ribcage and allows for adequate depth and rate of compressions, generally recommended at a rate of 100-120 compressions per minute.

In addition to providing proper depth of compressions, this method also allows the healthcare provider to maintain a secure hold on the infant, decreasing the likelihood of slippage in a situation where every second counts. The encircling thumbs technique is especially advantageous for infants because their anatomy requires careful handling to avoid potential injuries.

In contrast, while the other techniques may be used in different scenarios or for different age groups, they might not provide the same level of effectiveness or safety for an infant. Understanding the anatomy and physiology of infants helps in recognizing the importance of using a technique that offers both stability and effective compressions during CPR.