Approach to cava-catheterization Distance from puncture site to atriocaval junction (cm) [5] Depth of catheter advance (cm)
Right IJV 16 12
Right SCV 18,4 15
Right EJV ND 15-17
Left IJV 19,1 16
Left SCV 21,2 18
Left EJV ND 18-20
Note. ND - no data
Table 1: Depth of central venous catheter advance through various veins carrying blood to SVC.