What are the classical landmarks for insertion of an internal jugular vein catheter?

Technique
Classical (Central)
  • Insertion point is apex of Sedillot's triangle 1:
    • Sternal head of sternocleidomastoid1
    • Clavicular head of sternocleidomastoid 1
    • Superior border of medial 3rd of the clavicle 1
  • Needle angled at a 45° to the skin 1
  • Aiming toward the ipsilateral nipple 1