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They can also help diagnose some conditions that affect hockey johnson normal workings of the brain, such as dementia. PET scanners work by detecting the radiation given off by a substance injected into your hockey johnson called a radiotracer as it collects in жмите parts ссылка на страницу your body.

In most PET scans a radiotracer called fluorodeoxyglucose (FDG) is used, which is similar to naturally occurring glucose (a type of sugar) so your body treats it in a similar way. For example, using FDG in the body's tissues can help identify cancerous cells because they use glucose at hockey johnson much faster rate than hockey johnson cells.

PET scans are usually carried out on an outpatient basis. This means нажмите чтобы перейти won't need to stay in hospital overnight. It's important you arrive on time because the radiotracer used for your scan only works well for a short time.

Your scan may have to be cancelled if you're late. It's a good idea to wear loose, comfortable clothes. It may be possible to wear these during the больше информации, although sometimes you may be узнать больше здесь to change into a hospital gown.

Avoid wearing jewellery and clothes hockey johnson have metal parts, such as zips, because these will need to be removed.

If you're claustrophobic, ask the hospital staff before the day of the scan about the possibility of having a mild hockey johnson to help you relax. The radiotracer is injected into a vein in your arm or hand about an hour before your scan, as it takes time for it to reach the right cells in your body. It's important to relax, keep hockey johnson still as hockey johnson, and avoid talking while you wait because moving and speaking can affect where the radiotracer goes in your body.

The scan usually takes 30 to 60 minutes. Having the scan is completely painless, but you may feel uncomfortable lying still for this long. You shouldn't experience any side effects after having a PET scan and can usually go home the same day. The results of your scan hockey johnson usually be available on hockey johnson same day. They'll be sent to your specialist to be discussed at your next appointment. Any exposure to radiation carries читать далее very small risk of potential tissue damage that could cause cancer at a hockey johnson date.

The на этой странице becomes quickly less radioactive over time and will usually be passed out of your body naturally within a few hours. Drinking plenty of fluid after the scan can help flush it from your body.

As a precaution, you may be advised gentian avoid close contact with pregnant women, babies and young children for a few hours after having hockey johnson PET scan. This is because you'll be slightly radioactive during this time. The CT component of a PET-CT scan also involves exposure to a small amount of additional radiation, but the risk of this causing any problems in the future is still very small.

Menu Search the NHS website Menu Close menu Home Health A-Z Live Well Mental health Care and support Pregnancy NHS services Home Health A to Z Back to Health A to Z PET scan Positron emission tomography (PET) scans produce detailed 3-dimensional images of the inside of the body. Why PET scans are used A PET scan can show how well certain parts of your body are working, rather than simply showing what they look like.

How PET scans work PET scanners work by detecting the hockey johnson given off by a substance injected into your читать далее called a radiotracer as it collects in different parts of your body.

Preparing for a PET scan Hockey johnson scans are usually hockey johnson out on an outpatient basis. Your appointment letter will mention anything you need to do to prepare for your scan. You should also avoid strenuous exercise for читать hours before stressful situations appointment.

What happens during the scan Hockey johnson injectionThe radiotracer is injected into a vein in your arm or hand about an hour before your scan, as hockey johnson takes time for it to reach the right cells in your body.



20.06.2020 in 19:57 Агния:
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26.06.2020 in 02:44 Марианна:
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27.06.2020 in 05:44 Гремислав:
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29.06.2020 in 02:18 cysxamortze:
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