Generally, no special preparation is needed. However, you may be asked to avoid eating or drinking for a few hours before the procedure if a contrast agent is used. Always follow your doctor’s instructions.

MRA is generally safe, but patients with certain implants or kidney problems may not be suitable candidates. Gadolinium-based contrast agents may cause allergic reactions in rare cases.

No, the procedure is pain-free. You may feel some discomfort from lying still inside the MRI machine, but there is no pain during the scan itself.

MRA can detect brain aneurysms, AVMs, strokes, vascular malformations, blood clots, and other blood flow abnormalities in the brain.