Figure 2.

(Top left): Visualisation of the needle entering the anterior wall of the right internal jugular vein (RIJV) (longitudinal axis) (arrow). (Bottom left): Visualisation of the guidewire entering the venous lumen (arrow). (Top right): Visualisation of the needle entering the venous lumen (transverse axis). The black line behind the needle is the echo shadow (arrow). (Bottom right): Sagittal view of the neck, showing the catheter placed within the lumen (arrow). RCCA, right common carotid artery; REJV, right external jugular vein.

Karakitsos et al. Critical Care 2006 10:R162   doi:10.1186/cc5101
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