What are MRI contrast agents and how do they work?

What are MRI contrast agents and how do they work?

MRI contrast agents are substances used to enhance the contrast of images in magnetic resonance imaging (MRI). They help differentiate between different tissues and structures in the body.

Are there different types of contrast agents?

Yes, there are several types of MRI contrast agents, including gadolinium-based agents and iron oxide nanoparticles. Each type has specific uses and properties.

What are the risks associated with using these agents?

While generally safe, MRI contrast agents can cause allergic reactions in some individuals. Gadolinium can also pose risks for patients with kidney issues.

How is the contrast agent administered?

The contrast agent is usually injected into a vein, often in the arm, before or during the MRI scan to enhance the images.

Can I eat or drink before the MRI with contrast?

It depends on your doctor's instructions. Generally, you may be advised to avoid food or drink for a few hours before the procedure.