During the scan, you'll usually lie on your back on a flat bed that passes into the CT scanner.
The scanner consists of a ring that rotates around a small section of your body as you pass through it. Unlike a magnetic resonance imaging (MRI) scan, the scanner doesn't surround your whole body at once, so you shouldn't feel claustrophobic.
The radiographer will operate the scanner from the next room. While the scan is taking place, you'll be able to hear and speak to them through an intercom.
While each scan is taken, you'll need to lie very still and breathe normally. This ensures that the scan images aren't blurred. You may be asked to breathe in, breathe out, or hold your breath at certain points.
The scan will usually take around 10-20 minutes.
AÃƒâ€šÃ‚Â computerised tomographyÃƒâ€šÃ‚Â (CT) scan usesÃƒâ€šÃ‚Â X-rays and a computer to create detailed images of the inside of the body.Ãƒâ€šÃ‚Â Ãƒâ€šÃ‚Â CT scans are sometimes referred to as CAT scans or computed tomography scans.
CT scans can produce detailed images of many structures inside the body, including the internal organs, blood vessels and bones. They can be used to: diagnose conditions â€“ including damage
Your appointment letter will mention anything you need to do to prepare for your scan. You may be advised to avoid eating anything for several hours before your appointment, to help ensure t
Before having the scan, you may be given a special dye called a contrast to help improve the quality of the images. This may be swallowed in the form of a drink, passed into your bottom
During the scan, you'll usually lie on your back on a flat bed that passes into the CT scanner. The scanner consists of a ring that rotates around a small section of your body as you pass th
You shouldn't experience any after effects from a CT scan and can usually go home soon afterwards. You can eat and drink, go to work and drive as normal. If a contrast was used, you may be a
CT scans are quick, painless and generally safe. However, there's a small risk you could have an allergic reaction to the contrast dye used and you will be exposed to X-ray radiation. T