Conclusion: we should select forearm vein when ap-plying venous indwelling needles in intravenous infusion.
Using 22g or 24g intravenous catheter needle. Choose non-operated side in patients with median cubital vein, forearm vein and forearm blood vessels in your vein for the injection.
A "bolus-like" injection was conducted to administrate the contrast agent into left forearm veins.
