If your doctor has referred you for an imaging test like an X-ray, ultrasound, computed tomography (CT) scan, or magnetic resonance imaging (MRI) scan, the order may be for it to be done with a contrast agent (sometimes casually called a contrast dye, though that is inaccurate since it does not a...
Contrast Agents: Cause for Concern?
What to know before you have an imaging test
March 3, 2022