If a doctor suspects you may have a pulmonary embolism (PE), a CT scan is the gold standard of imaging techniques. This painless scan uses intravenous (IV) contrast, a type of dye, to help the doctor ...

If you feel pain in your neck and shoulder, your doctor might want you to get a specific X-ray to see what’s causing the pain. This test is a computed tomography scan or what's more commonly called a ...