critical care medicine
How To Do Radial Artery Cannulation
Introduction
Either an integrated catheter-over-guidewire device or an angiocatheter (catheter-over-needle) is used to thread a catheter into the radial artery. The radial artery is the most frequent site used for arterial catheterization. Ultrasound guidance, when equipment and trained personnel are available, is helpful in cannulating nonpalpable arteries (eg, due to obesity or a small artery). (See also Vascular Access and 