· help monitor the blood flow to organs and tissues throughout the body.
· locate and identify blockages (stenosis) and abnormalities like plaque or emboli and help plan for their effective treatment.
· detect blood clots (deep venous thrombosis (DVT) in the major veins of the legs or arms.
· determine whether a patient is a good candidate for a procedure such as angioplasty.
· evaluate the success of procedures that graft or bypass blood vessels.
· determine if there is an enlarged artery (aneurysm).
