critical care medicine
How To Do Peripheral Vein Cannulation
Tips and Tricks for Peripheral Vein Cannulation
Nitroglycerinointment or warm compresses may help dilate veins. Consider using double tourniquets (a second tourniquet is placed distal to the anticipated catheter-insertion siteafterplacement of the first tourniquet) to engorge the veins for large body habitus or edematous limbs. 