A vein bifurcation occurs when one vein splits into two veins. When starting an IV, you have a few options to deal with visible vein bifurcations. Some nurses like to start the IV just below the bifurcation to avoid running into vein valves. Some nurses like to go just above the bifurcation because they feel the veins after the bifurcation act as tree roots to help stabilize the vein, and I've even seen some nurses who like to go straight into the bifurcation. Any approach can work if you