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Having an MRI scan can help doctors see inside your body. It uses a big magnet to take pictures. The scanner is a tube open at both ends. You can always be seen by the person doing the scan. |
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An MRI scan can look at different parts of your body like your head, spine, or knees. |
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It helps doctors find out what is wrong and how to help you. |
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The scan does not use X-rays. |
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Sometimes, a special dye called MRI contrast is used. It helps make the pictures clearer. The dye is safe and leaves your body when you go to the toilet. |
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Buscopan® is a medicine that helps relax your tummy muscles. This can make the pictures clearer. |
| There is a small chance of side effects from the dye, like itching. Tell the person doing the scan if you feel unwell. If you feel unwell after leaving, go to the hospital. | |
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There is a small chance of side effects from the dye, like feeling sick. Tell the person doing the scan if you feel unwell. If you feel unwell after leaving, go to the hospital. |
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If you have pain in your eyes or redness after Buscopan®, go to the hospital. |
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MRI scans are safe if you follow the rules. You will get a safety form to fill out before your scan. |
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If you have kidney problems, you might need a blood test before having the dye. Talk to your doctor if you do not want an MRI. They can suggest other tests. |
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Before your scan, you might need to stop eating or drinking for a while. Wear clothes without metal and arrive 30 minutes early. You can leave your things in a locker. |
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If you are scared of small spaces, tell your doctor. They might give you medicine to help you relax. Some people might need a different type of scanner. |
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If you have trouble with needles, tell the hospital. They can help make it easier. |
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If you think you are pregnant, tell the hospital before your scan. |
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There is no known risk to unborn babies from MRI scans. If you are breastfeeding, you can still have an MRI. Talk to your doctor if you have questions. |
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Some scans need extra help from other doctors. These are usually done during the week. |
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If you need an interpreter, tell your doctor or the hospital. You can bring someone to help translate for you. |
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If you need help getting to the hospital, tell the hospital. They can help arrange transport. |
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You will be asked to agree to the scan. This means you understand what will happen. |
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During the scan, you will lie on a table. You must stay still. The scanner makes loud noises, but you will have earplugs and headphones. |
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You can talk to the person doing the scan if you need to. The scan takes about 30 – 40 minutes. After the scan, you can eat and drink normally. |
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You will not get your results straight away. A doctor will look at the pictures and send a report to your doctor. If you have questions, ask the hospital. |
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For more information, visit the UCLH website. You can also use the MyCare portal to see your health information. You need a code to register. |
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The hospital is near several tube stations and bus stops. You can use an Oyster card or contactless card on buses. Buses do not take cash. |
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Having an MRI Scan (EasyRead)
Click here to download the PDFPage last updated: 21 May 2026
Review due: 28 February 2028

























