| The catheter is tunneled under the skin and enters a large vein and then is threaded into the superior vena cava. |
| Such a clot will move to the heart along the main vein of the body, the inferior vena cava. |
| He or she places the third purse-string suture in the lowest portion of the right atrium near its junction with the inferior vena cava. |
| The thoracic duct has also been found draining into the azygos vein and the inferior vena cava. |
| A persistent left superior vena cava may be associated with the presence of two azygos veins. |
| With the electrosurgical pencil, the surgeon incises the pericardium longitudinally, extending upward to the superior vena cava. |
