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Diagnosis

In the past, thrombophlebitis often was diagnosed using contrast venogram. The first step in performing a contrast venogram is to insert an IV into the foot, which can be difficult due to the structure of the veins. Then, while the patient is sitting upright, a warm towel is applied to the foot to make the veins easier to locate and to improve venous access.
After a small needle is inserted into a vein in the top of the foot, contrast material is injected and the veins in the cal...Read the full article