Preparing for an MRI scan is simple, but following a few key steps can ensure a smooth experience and the best possible results. Below are essential MRI preparation tips based on the type of scan you're having.
General MRI Preparation Guidelines
✔ Wear Loose, Comfortable Clothing
✔ Remove All Metal Items
- Before entering the MRI room, remove jewelry, watches, piercings, hairpins, and eyeglasses.
- If you have metallic dental work (braces, fillings, etc.), let the technician know.
✔ Avoid Wearing Makeup or Lotions
- Some cosmetics and lotions contain microscopic metal particles that could affect the scan.
✔ Tell Your Technician About Any Implants or Medical Devices
- MRI scans use strong magnetic fields, so inform your doctor if you have:
- Pacemakers, defibrillators, or heart stents
- Cochlear implants (hearing devices)
- Metallic joint replacements or screws
- Pregnancy (especially in the first trimester)
✔ Eat Normally Unless Told Otherwise
- Most MRI scans do not require fasting, but if you’re having an abdominal MRI, you may need to avoid eating or drinking for 4–6 hours before the scan.
✔ Take Your Medications as Prescribed
- If you take daily medications, continue as usual, unless your doctor says otherwise.
- If you have anxiety or claustrophobia, ask about mild sedation options beforehand.
Special Preparation for Specific MRI Scans
Brain MRI:
- Avoid caffeine for at least 4 hours before the scan to reduce involuntary movement.
- Remove wigs, hair extensions, or metal hair clips.
Chest/Lung MRI:
- You may be asked to hold your breath for short periods during the scan.
- Avoid wearing deodorant, as some brands contain metallic particles.
Spine & Joint MRI:
- Wear loose-fitting clothes for comfort, as you may need to lie still for an extended period.
- If you have had previous surgeries, tell your technician about any screws, rods, or plates.
MRI During Pregnancy:
- MRIs are generally safe during pregnancy, but it's important to inform your doctor.
- Gadolinium-based contrast agents are usually avoided during pregnancy, so always confirm before the scan.
What to Expect During the MRI Scan
1️⃣ Check-In &Screening – You’ll fill out a medical history form and remove all metal items.
2️⃣ Positioning on the MRI Table –You’ll lie down, and the technician may place padding or straps to help you stay still.
3️⃣ The MRI Scan Begins – The machine makes loud knocking sounds as it captures images. You’ll begiven earplugs or headphones for comfort.
4️⃣ Breathing & Staying Still –You may need to hold your breath briefly for certain scans. Movement can blurthe images.
5️⃣ Scan Duration – MRI scans typically last 30–60 minutes, depending on the area being scanned.
6️⃣ After the Scan – You can resume normal activities unless sedation was used.
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