What is the size of a blue IV catheter?

The size of a blue IV catheter is 22 gauge. In the context of intravenous (IV) therapy, catheter gauge indicates the diameter of the catheter, with larger gauge numbers representing smaller diameters. The color coding system is widely used in healthcare to quickly identify the size of IV catheters: blue is designated for the 22-gauge size.

This size is commonly used for procedures that require moderate flow rates, making it versatile for a variety of patients. A blue IV catheter is optimal for easier maneuverability when providing infusion therapy, making it suitable for both adults and pediatric cases, depending on the specific clinical situation.

Understanding the color coding and corresponding sizes of IV catheters is essential for paramedics and other healthcare providers, ensuring they select the appropriate catheter based on the patient's needs and the type of fluids or medications to be administered.