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It depends on what part of the body is being scanned and why the scan is necessary. You should ask your doctor or radiologist. If you can't reach them your best bet is not to eat.
Justine Wiegand
Wiki User
∙ 14y agoDepends on the type of study that you are having.
If you are having a non-contrast study, that you can eat till your heart's content any time before the procedure.
If you are having a contrast enhanced study, then generally it would be best to not have eaten for at least 2 hours. This is more of just a precaution. In an emergency situation, your prior eating will have no effect of the quality of the scan. The reason you are asked not to eat anything prior to a contrast enhanced study is to minimize the possible nausea that you might experience if food is in your stomach during the contrast injection.
Wiki User
∙ 13y agoDepends on the hospital, but just in case I would delay eating
Wiki User
∙ 6y agoIt depends on what part of the body is being scanned and why the scan is necessary. You should ask your doctor or radiologist. If you can't reach them your best bet is not to eat.
Wiki User
∙ 13y agocan you smoke before a cat scan
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Can you smoke before a PET scan?
No you cannot smoke before a PET scan because it will alter the results and it will be detecting in you system which may cause problems with the scanning process.
Why shouldn't you eat 4 hours before a brain ct scan?
Because it could pick up the food in your system on the ct scan
How long does a pet scan take?
A full body PET scan can take 30 to 45 minutes. A scan of a single lamp or a single organ can take as little as 10 minutes.
Does alcohol affect a PET Scan?
He'll yes.
Can you smoke before a ct scan?
Can I smoke before ct scan
Why can't you eat carbohydrates before having a PET Scan?
You can not eat carbohydrates before a Pet scan because it can show a raise in activity and metabolism in your body. This is because your body breaks down carbohydrates to store energy and the scan will show an inaccurate reading.
Can you smoke before a PET scan?
No you cannot smoke before a PET scan because it will alter the results and it will be detecting in you system which may cause problems with the scanning process.
Can pet scan can be used on humans?
A PET scan is for humans.
Can you eat before lower lumber MRI scan?
no
Preparation for a ct scan abdomen?
should you eat before having a ct scan of the chest and abdomen
What brain imaging method requires the injection of a radioactive substance?
PET scan
What type of procedure is a PET scan?
cat scan
Can you eat food before having myocardial perfusion scan?
you can not eat or drink at least 4 hours before the procedure
What is a ped scan?
Do you mean PET scan? That is a scan for cancer metastases, I believe.
What is a Diagnostic body scan that is referred to as a ped scan?
Are you talking about a PET scan?
What does mediastinal blood pool maximum SUV is 2.5 on a PET scan?
What does mediastinal blood pool maximum SUV is 2.5 on a PET scan?
What advantage does the MRI scan have over the Pet scan for the subject?
A PET scan shows what level / stage (if any) the cancer is at. An MRI scan doesn't do this, the reader, looks for abnormalities on the scan which shows up everything in the body.
