Conditions involving the IVC usually involve an obstruction (blockage) and may be referred to as inferior vena cava syndrome (IVCS). This describes a sequence of signs and symptoms resulting from ...

The fall in intra-abdominal pressure during paracentesis was believed to decrease the functional obstruction of the inferior vena cava at the diaphragm and to result in increased venous return.

Primary Budd-Chiari syndrome is related to thrombosis of hepatic veins or the terminal portion of the inferior vena cava. This rare ... when imaging shows venous obstruction and/or collaterals.

Gestational edema occurs in late pregnancy secondary to increased venous congestion in the legs caused by pressure exerted mechanically by the uterus onto the inferior vena cava and iliac veins.