21. On the left, they drain into the renal vein which in turn drains into the inferior vena cava . 22. Other sites which have been used include the subclavian vein, carotid artery, femoral vein and inferior vena cava . 23. Some filaments are distributed to the spermatic plexus and, on the right side, to the inferior vena cava . 24. Should bleeding continue, it is likely that the inferior vena cava or the hepatic vein were also traumatised. 25. Normal portal pressure is approximately 9 mmHg compared to an inferior vena cava pressure of 2 6 mmHg. 26. "' Inferior vena cava syndrome "'( IVCS ) is a result of obstruction of the inferior vena cava . 27. They can occur near the superior vena cava or inferior vena cava , but the former are more common. 28. For example, when removing the heart, connects such as the superior vena cava and inferior vena cava are separated. 29. At $ 29.95, the Budget Liver and Pancreas dissects into three parts and also shows the inferior vena cava . 30. American College of Chest Physicians has incorporated Inferior vena cava filter into guidelines for management of deep vein thrombosis.