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Overview. Magnetic resonance imaging (MRI) is a type of scan that uses strong magnetic fields and radio waves to produce detailed images of the inside of the body. An MRI scanner is a large tube that contains powerful magnets. You lie inside the tube during the scan. An MRI scan can be used to examine almost any part of the body, including the:
- How It's Performed
A single scan may take from a few seconds to 3 or 4 minutes....
- Who Can Have One
The strong magnets used during the scan can affect any metal...
- How It's Performed
A single scan may take from a few seconds to 3 or 4 minutes. You may be asked to hold your breath during short scans. Depending on the size of the area being scanned and how many images are taken, the whole procedure will take 15 to 90 minutes. The MRI scanner will make loud tapping noises at certain times during the procedure.
- Before The Day of Your MRI Scan
- On The Day of Your MRI Scan
- Before You Have An MRI Scan with A Dye
Before having an MRI scan, you should be able to eat, drink and take any medicines as usual. But your radiographer will give you specific instructions. If you wear stick-on medicine patches, you may need to take these off before having an MRI scan, so take a spare one to the hospital. This is because some patches contain metal and may heat up durin...
At the hospital, your radiographer will ask you to complete and sign a safety questionnaire. You’ll be asked if you’re pregnant or have any medical conditions. You’ll also be asked if you have any metal or electronic implants because these may cause problems during your MRI scan. Your radiographer will go through a checklist of metal items that you...
If you’re having an MRI scan that uses a dye (contrast medium), your doctor may need to inject this before or during your scan. Where it’s injected will depend on which part of your body needs scanning and why. You may need a blood test before your scan to check the dye is right for you. You may not be able to have the dye if your kidneys aren’t wo...
Sep 2, 2024 · Magnetic resonance imaging (MRI) is a type of scan that uses strong magnetic fields and radio waves to produce detailed images of the inside of the body. An MRI scanner is a large tube that contains powerful magnets. You lie inside the tube during the scan. An MRI scan can be used to examine any part of the body.
Aug 6, 2023 · MRI stands for magnetic resonance imaging. An MRI scan uses a strong magnetic field and radio waves to create a detailed image on a computer screen. It can show different types of tissue, organs and other structures inside your body. This image is an MRI scan of a brain. The person's eyeballs can be seen at the top of the picture.
May 1, 2023 · An MRI scan is a noninvasive medical test that provides images of the soft tissues, like organs and muscles, within the body. The images are created using a magnetic field along with radio waves ...
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Magnetic resonance imaging (MRI) is a medical imaging technique that uses a magnetic field and computer-generated radio waves to create detailed images of the organs and tissues in your body. Most MRI machines are large, tube-shaped magnets. When you lie inside an MRI machine, the magnetic field inside works with radio waves and hydrogen atoms ...
