Superior vena cava (Vena cava superior)
Educational content only — not medical advice.
Anatomy
Formed by the two brachiocephalic veins and descending in the right mediastinum to the right atrium; it drains head, neck, arms and chest wall without valves — hence the raised JVP of right heart failure.
Clinical notes
SVC syndrome from mediastinal tumour or lung cancer gives facial plethora, neck fullness and chest-wall collaterals, needing urgent stenting or radiotherapy.
Related structures
Educational references
FAQ
What is the role of the Superior vena cava?
Formed by the two brachiocephalic veins and descending in the right mediastinum to the right atrium; it drains head, neck, arms and chest wall without valves — hence the raised JVP of right heart failure.
Why is the Superior vena cava clinically important?
SVC syndrome from mediastinal tumour or lung cancer gives facial plethora, neck fullness and chest-wall collaterals, needing urgent stenting or radiotherapy.
Source & license
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