Fig. 3From: Inadvertent catheter misplacement into the subclavian artery during ultrasound-guided internal jugular venous catheterization: a case reportClassification by needle-sticking site for Sedillot’s triangle. In the classification of anatomic landmark techniques by needle-sticking site of Sedillot’s triangle (white dashed triangle), there are two types: high approach (H) and low approach (L). The preferred sticking site in the high approach is the apex (white circle) of the Sedillot’s triangleBack to article page