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Table 1 Demonstrating the distance between the skin puncture site and cavo-atrial junction in various central venous catheterization approaches.

From: Missing the guidewire: an avoidable complication

Right Internal Jugular Vein to Atrio-caval Junction

16.0 cms

Right Subclavian Vein to Atrio-caval Junction

18.4 cms

Left Internal Jugular Vein to Atrio-caval Junction

19.1 cms

Left Subclavian Vein to Atrio-caval Junction

21.2 cms