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Glossary of terms

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inferior vena cava (IVC) filter
A device that is implanted in the inferior vena cava, the large vein that returns blood from the legs to the heart, to prevent blood clots in the lower body from traveling to the heart or lungs.

intravenous ('inside a vein')
Frequently a needle will be placed in a vein, often a large arm vein, to deliver fluids and medications, withdraw blood samples, and transfuse blood.

intravenous pyelography (IVP)
Radiography of kidneys, ureters, and bladder following injection of contrast medium into a peripheral vein. For details see the Intravenous Pyelogram page.

intraventricular hemorrhage (IVH)
Bleeding into the ventricles within the brain.