Cardiovascular · UKMLA & AKT
Superior vena cava obstruction
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- Superior vena cava obstruction (SVCO) occurs when flow through the SVC is partially or completely blocked, causing venous hypertension in the head, neck, and upper limbs. Malignancy is the most common cause; iatrogenic causes (central lines, pacemakers) are increasingly recognised.
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