What is an MRI Brain?
Magnetic Resonance Imaging (MRI) of the brain is a non-invasive diagnostic test that uses powerful magnets and radio waves to create detailed images of the brain and surrounding structures. It is commonly used to detect abnormalities and guide treatment plans.
Purpose of the Test
- Diagnose brain tumors, cysts, or lesions
- Identify causes of headaches, seizures, or dizziness
- Detect multiple sclerosis and other nerve disorders
- Evaluate effects of stroke or brain injury
- Guide surgical planning
Preparation
- Remove all metal objects (jewelry, watches, hearing aids, etc.).
- Inform your doctor if you have any metal implants, pacemakers, or stents.
- Fasting is usually not required unless sedation is planned.
Procedure
- You will lie on a movable table that slides into the MRI scanner.
- The machine produces loud tapping or thumping sounds; ear protection is provided.
- The scan usually takes 30–60 minutes.
- In some cases, a contrast dye may be injected for clearer images.
Risks
- MRI is generally safe and does not use radiation.
- Rare allergic reaction to contrast dye.
- Not suitable for people with certain metallic implants.
FAQs
- Is MRI painful? No, it is painless but may be uncomfortable due to lying still.
- Can I eat before the scan? Yes, unless your doctor gives other instructions.
Disclaimer
This page is for informational purposes only and should not replace professional medical consultation. Always follow your healthcare provider’s advice.