What feature of the median vein makes it ideal for peripheral IV placement in infants?

The superficial nature of the median vein makes it particularly suitable for peripheral IV placement in infants. This vein is located just beneath the surface of the skin, which makes it easier to palpate, visualize, and puncture.

In infants, whose veins are smaller and more fragile, accessing a vein that is close to the surface can help reduce the risk of complications, such as vein collapse or perforation. The superficial location also allows for quicker insertion and less discomfort for the patient, which is vital in pediatric care.

While factors like the diameter of the vein or its anatomical relationships to other vessels are important, the primary advantage in the context of peripheral IV placement in infants is the ease of access provided by the vein's superficial nature. This characteristic ensures that healthcare providers can perform the procedure safely and efficiently, significantly improving the chances of successful catheter placement on the first attempt.