How to Prepare for Your First MRI: A Complete Patient Guide

Getting ready for your first MRI can feel a little intimidating, especially if you've never seen the inside of a scanning room before. The good news is that MRI preparation is usually simple, and knowing what to expect can make the entire experience much less stressful. This guide walks you through exactly how to prepare for an MRI step-by-step, from what to wear to how to stay calm inside the scanner, so you can walk into your appointment feeling confident rather than nervous.

What Happens During an MRI?

An MRI (Magnetic Resonance Imaging) scan uses magnetic fields and radio waves to capture detailed images of the inside of your body. It's painless and non-invasive, though it does require you to lie still inside a scanner for a period of time. Most scans take between 20 and 60 minutes depending on the body part being examined.

How to Prepare in the Days Before Your Scan

• Confirm your appointment details, including time, location, and whether contrast dye will be used.
• Ask about eating restrictions. Some MRIs (like abdominal scans) may require fasting for a few hours beforehand.
• List your medications and mention any you take regularly.
• Disclose any implants or metal devices in your body, including pacemakers, cochlear implants, or surgical hardware.
• Let staff know if you're pregnant or think you might be.

What to Wear and Bring on Scan Day

Because MRI machines use strong magnets, metal objects can interfere with imaging or even become a safety hazard. Before your scan:

• Wear loose, comfortable clothing without metal zippers, snaps, or underwire.
• Many clinics provide a gown to change into.
• Remove jewelry, watches, hairpins, and piercings beforehand.
• Leave credit cards and electronics in the car or at home, since magnets can damage them.
• Bring a list of current medications and your doctor's referral, if you have one.

Eating, Drinking, and Medications Before an MRI

For most MRI scans, you can eat and drink normally beforehand. However, certain scans — particularly abdominal or pelvic MRIs — may require:

• Fasting for 4–6 hours before the appointment
• Avoiding caffeine
• Taking prescribed medications with a small sip of water only

Always confirm specific instructions with your clinic when scheduling, since requirements vary by scan type.

What Happens When You Arrive

When you check in, staff will confirm your medical history and ask you to complete a safety screening form. This helps identify any metal implants, previous surgeries, or conditions that could affect your scan. You may be asked to change into a gown and remove any remaining metal items.

During the Scan: What to Expect

• You'll lie on a padded table that slides into the scanner.
• The machine makes loud tapping, knocking, or buzzing sounds — earplugs or headphones are provided.
• You'll need to stay still, as movement can blur the images.
• A technologist can see and hear you at all times and can pause if needed.
• If contrast dye is used, it's typically given through an IV partway through the scan.

Most scans are completely painless. Some patients feel a warming sensation if contrast dye is used, which is normal and temporary.

Tips for Managing Claustrophobia and Anxiety

Feeling nervous about an enclosed space is common. Here are a few practical tips:

• Ask about open or wide-bore MRI machines if you're prone to claustrophobia.
• Practice slow, deep breathing before and during the scan.
• Bring headphones for music, if your clinic allows it.
• Ask a technologist about a mild sedative if anxiety is severe — many clinics can accommodate this with a doctor's approval.
• Close your eyes and focus on breathing rather than the scanner walls.

After Your MRI: What Happens Next

Once your scan is complete, you can typically resume normal activities right away unless sedation was used. A radiologist will review your images and send a report to your referring physician, usually within a few business days. Your doctor's office will contact you to discuss results and next steps.

Myth vs. Fact

Myth: "MRI scans are painful."

Fact: MRI scans are painless; the only physical sensation is lying still and hearing loud noises.

Myth: "You can't move at all during an MRI."

Fact: You can adjust slightly between imaging sequences; the technologist will guide you on when stillness matters most.

Myth: "Everyone needs sedation for an MRI."

Fact: Most patients do not need sedation; it's typically reserved for severe claustrophobia or very young patients.

When to Contact Your Doctor After a Scan

Reach out to your physician if you experience unusual symptoms after contrast dye, such as rash, dizziness, or swelling, though such reactions are rare. Otherwise, simply wait for your doctor's office to follow up with results.

Ready for your appointment? Book Your MRI online today, or Speak with Our Radiology Team if you have questions about preparation.