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.
The amount of radiation you're exposed to during a CT scan varies, depending on how much of your body is scanned. CT scanners are designed to make sure you're not exposed to unnecessarily high levels.
Generally, the amount of radiation you're exposed to during each scan is the equivalent to between a few months and a few years of exposure to natural radiation from the environment.
It's thought exposure to radiation during CT scans could slightly increase your chances of developing cancer many years later, although this risk is thought to be very small (less than 1 in 2,000).
The benefits and risks of having a CT scan will always be weighed up before it's recommended. Talk to your doctor or radiographer about the potential risks beforehand, if you have any concerns.
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