Fig. 4From: Inadvertent catheter misplacement into the subclavian artery during ultrasound-guided internal jugular venous catheterization: a case reportSchematic representation of cervical and thoracic veins for possible misplacement of central venous catheters. a Frontal view. b Lateral view showing ①right internal thoracic vein, ② left internal thoracic vein, ③ pericardiophrenic vein, ④ azygos vein, ⑤ right inferior thyroid veinBack to article page