Preparing for an MRI or CT Scan

20 items · Health · Easy difficulty · 15 min

Clear steps to prepare safely and comfortably for your MRI or CT scan.

• Confirm appointment time and scan type (MRI or CT)

  Call or check your patient portal to verify date, time, and exact scan requested.

• Tell staff about metal implants, devices, or surgical hardware

  Include pacemakers, stents, plates, screws, cochlear implants, or shunts.

• Inform staff if you are pregnant or breastfeeding

  Report suspected pregnancy or recent breastfeeding before any scan.

• Disclose allergies, especially to contrast dye or iodine

  Tell staff about previous reactions to contrast or other severe allergies.

• Follow fasting and hydration instructions if contrast will be used

  Providers may ask you to fast for a few hours; drink water if allowed.

• Ask your doctor whether to stop or adjust any medications before the scan

  Confirm with your provider whether routine medicines need changes.

• Remove jewelry, piercings, watches, and removable metal before arrival

  Leave valuables at home and use facility lockers when provided.

• Wear comfortable, metal-free clothing or change into a provided gown

  Avoid zippers, underwire bras, or clothing with metallic threads.

• Gather ID, insurance, and referral forms

  Bring originals or digital copies of documents to speed check-in.

• Bring photo ID
• Bring insurance card or proof of coverage
• Bring doctor referral or previous imaging reports if available
• Arrive 15–30 minutes early for registration and paperwork
• Arrange transportation if you may receive a sedative

  You may be unable to drive after sedation; arrange a ride home.

• Discuss claustrophobia or anxiety with scheduling staff

  Let staff know if confined spaces make you uncomfortable.

• Ask about open/short-bore MRI options or timing adjustments

  Explore machine alternatives that may feel less enclosed.

• Request earplugs, music, or a mild sedative if approved

  Discuss approved comfort options; sedation requires a driver.

• Remove makeup, nail polish, and hair accessories before the scan

  Cosmetics can contain metals that interfere with images.

• Ask the tech what to expect during the scan (noise, breath holds, duration)

  Knowing steps and timing can ease anxiety and improve cooperation.

• Bring a list of recent surgeries, implants, and relevant medical history

  Include dates and locations of procedures and implant details.

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