The examination does not hurt but some people find it uncomfortable to lie within the scanner itself.
Although the scanner is not tunnel shaped like an MRI scanner, people who suffer from severe claustrophobia sometimes have problems with CT scans. Let the doctors and radiographers know if this might be a problem.
Other people get slightly nervous because of the whirring noise the machine makes while working.
If the patient feels this might be the case, then this should be discussed prior to the procedure being carried out, since the patient may be unable to lie still during the scan therefore giving pictures of such poor quality they could not be interpreted anyway.
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