“…While entry can use any vein down to the wrist, the 110-cm commercial catheters presently available are usually not long enough for many patients; the antecubital region is most commonly used. As mentioned by Saedi et al [9], the medial vein is preferred, but even lateral veins can be successful as long as the 90-degree cephalic-axillary junction is respected. Venous catheterization is a painless procedure and certainly less of a hazard than central neck veins or femoral veins.…”