Description
Test Preparation
To ensure accurate results, follow these preparation guideline:
- Fasting
• Fasting is usually not required, but some facilities may request 4-6 hours of fasting if contrast dye is used. - Hydration
• Drink plenty of water before the test unless instructed otherwise.
• Staying hydrated helps clear the contrast dye from your system if used. - Medications
• Take your regular medications unless advised otherwise.
• Inform your doctor if you are taking blood thinners, diabetes medication (like Metformin), or have kidney disease, as contrast dye may require precautions. - Allergies & Medical Conditions
• Inform the radiologist if you have a history of contrast dye allergies.
• If you have asthma or breathing difficulties, let the technician know in advance. - Clothing & Accessories
• Wear loose, comfortable clothing without metal (zippers, buttons, jewelry, underwires, or belts).
• You may be asked to change into a hospital gown. - Implant or Device Precautions
• Inform the technician if you have metal implants, pacemakers, aneurysm clips, cochlear implants, or any metallic objects in your body, as they may interfere with the MRI. - Claustrophobia & Anxiety
• If you have claustrophobia, discuss with your doctor about taking a mild sedative before the test.
• Some facilities offer open MRI options for patient comfort. - During the Procedure
• You will lie on a table that slides into the MRI scanner.
• The machine will take detailed images of the brain and CSF flow using specialized imaging sequences.
• If contrast dye is needed, it will be injected into a vein (usually in the arm) to enhance visibility.
• The MRI scanner makes loud noises; earplugs or headphones may be provided.
• The scan typically takes 45-60 minutes. - After the Test
• No downtime; you can resume normal activities unless sedated.
• Drink plenty of water to help eliminate the contrast dye.
• Results are typically available within a few days.
