SVC obstruction

Superior vena cava obstruction; Superior vena cava syndrome

SVC obstruction is a narrowing or blockage of the superior vena cava (SVC), which is the second largest vein in the human body. The superior vena cava moves blood from the upper half of the body to the heart.

Heart, section through the middle

The interior of the heart is composed of valves, chambers, and associated vessels.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional

Prevention