IV cannulation
Intravenous (IV) cannulation is a technique in which a cannula is placed inside a vein to provide venous access. Venous access allows sampling of blood, as well as administration of fluids, medications, parenteral nutrition, chemotherapy, and blood products. 14G Orange In massive trauma situations. 16G Gray Trauma, surgeries, or multiple large-volume infusions 18G Green Blood transfusion, or large volume infusions. 20G Pink Multi-purpose IV; for medications, hydration, and routine therapies. 22G Blue Most chemo infusions; patients with small veins; elderly or pediatric patients 24G Yellow Very fragile veins; elderly or pediatric patients Vein Selection Start with distal veins and work proximally. Start choosing from the lowest veins first then work upward. Starting at the most proximal point can potentially lose several sites you could have below it. Use a BP cuff rather than a tourniquet. If t...