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If a contrast medium must be administered,the patient may be asked to fast from about four to six hours prior to the procedure.Pregnant women or those who could possibly be pregnant should not have a CT scan unless the diagnostic benefits outweigh.risks

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13y ago
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10y ago

A CT scan is in simple form an x-ray of your brain, but the CT scan will do so from multiple angles, contrary to a regular x-ray which only does one. Generally there is no unpleasant feeling from having a CT scan done.

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12y ago

When you are going in for a CT scan, you have to get a great night of sleep, and you are also going to be required to fast for at least 12 hours before the scan.

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Q: How should I prepare for a CT scan?
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