Canonical Question
Procedure – Venous Access
Master answer
Origin
- Continuation of axillary vein
- Lateral border of 1st rib
Course
- Follows subclavian artery
- Deep to clavicle
- Superior to 1st rib
Termination
- Deep to sternoclavicular joint at medial border of scalenus anterior
- Joints internal jugular vein to form bilateral brachiocephalic veins vein on left
Relations
- Anterior
- Clavicle, subclavius
- Posterior
- Subclavian artery runs deep/posterior (separated by scalenus anterior)
- Internal mammary artery is posterior medially
- Phrenic nerve is posterior
- Superior
- Skin, superficial aponeurosis
- Inferior
- Apex of lung and 1st rib
- Medial
- Brachiocephalic trunk, thoracic duct and trachea and vagal trunks
- Lateral
- Inferior trunk of brachial plexus
Surface Anatomy
- Clavicle
- Deltopectoral groove
- 2 heads of sternocleidomastoid
- Suprasternal notch

Sakurai 2016
Exam appearances
| Exam | Exact wording | Relationship | Success |
|---|---|---|---|
| 2009B Q11 | Describe and / or illustrate the anatomy relevant for the insertion of a central line into the left subclavian vein using any of the available techniques. | historical_member | — |
| 2013B Q18 | Describe the anatomy relevant to the cannulation of the left subclavian vein. | historical_member | — |
| 2016A Q16 | Outline the anatomy of the subclavian vein relevant to central venous line insertion. | historical_member | — |
| 2022A Q18 | Describe the anatomy of the left subclavian vein. | historical_member | — |