Description
Test Preparation
To ensure accurate results, follow these preparation guideline:
Pre-Test Guidelines:
• Fasting:
If contrast dye is used, fast for 4-6 hours before the test.
If no contrast is required, fasting is not needed.
• Hydration:
Drink plenty of water unless instructed otherwise.
• Medications:
Take regular medications unless advised otherwise.
If you take blood thinners or diabetes medications (e.g., Metformin), inform your doctor.
• Allergy & Medical History:
Inform your doctor if you have a history of contrast dye allergies.
Notify the doctor if you have metal implants (pacemakers, aneurysm clips, cochlear implants, etc.).
• Pregnancy & Breastfeeding:
Inform your doctor if you are pregnant or breastfeeding, as contrast use may require precautions.
On the Day of the Test:
• Clothing & Accessories:
Wear loose-fitting clothing without metal parts (zippers, buttons, or wires).
Remove jewelry, hearing aids, glasses, and metallic objects before the scan.
• Avoid Caffeine & Smoking:
Avoid caffeine, alcohol, and smoking for 12 hours before the test, as they may affect blood vessel function.
During the MRI Angiography (MRA) Brain Scan:
• The scan takes 30-60 minutes.
• If contrast dye is required, it will be injected through an IV line.
• The MRI machine makes loud knocking or buzzing sounds; earplugs or headphones may be provided.
• You must remain still while the images are taken.


