A CT scan is an advanced imaging technique which uses x-rays to produce detailed cross-sectional images of your body. CT shows us the internal organs much better than standard x-rays and is a very common and important examination technique within modern medicine.Your doctor will be able to advise you when a CT scan may be useful in evaluating your condition.

RISKS

The health risk to patients from exposure to medical radiation is small and is outweighed by the benefit to the patient of a clear diagnosis. CT makes detailed images which provide greater accuracy in detecting disease. This can mean earlier detection, and therefore the chance of more successful treatment.For those who require an injection of Contrast during the scan there is a small risk of allergic reaction. Prior to your examination we require you to complete a form outlining allergies or extreme health conditions you have.

THE PROCEDURE

Having a scan can be quite simple. Come to your appointment dressed in comfortable clothing, for some examinations you will be asked to change into a gown. For some examinations it is necessary to remove metallic objects, such as jewellery and hearing aids.The Radiographer, specially trained in the use of x-ray equipment and CT scanning, will position you on the bed and move you into position. The Radiographer operates the CT scanner from an adjoining room, but is in contact with you via an intercom when outside the scan room and will be observing you the whole time through a large window.The CT bed will move during the scan and you will be asked to remain still during the scanning process. The CT scan usually takes 15 – 45 minutes to complete depending on your examination. Some patients will need an injection of a colourless fluid called ‘contrast’ to improve the definition of some areas in the body. This injection is given through a vein in the arm and often gives a sensation of warmth for a few minutes; this is not painful, however patients find it an unfamiliar sensation.

PREPARING FOR YOUR CT

When you phone to make an appointment you will be informed if there is any preparation for your scan. As a general rule you should not eat or drink anything 2 hours prior to your appointment. For examinations of the abdomen and pelvis you may need to drink a special flavoured mixture beforehand to outline the bowel clearly. For examinations of the kidneys you will be requested to drink 1 litre of water 1 1/2 hours prior to the scan, during which you can go to the toilet.For all patients over 40 years of age requiring the injection of contrast a special blood test (if not already obtained) is required prior to your appointment.

YOUR RESULTS

After the examination you are able to return to your normal activities.The results are not immediate as there are literally hundreds of images for the Radiologist to read, a process which takes some time. After reviewing your scans the Radiologist will send a report to your doctor.

APPOINTMENTS

To make your CT scan appointment please phone us on 03 375 4050. For some examinations we can fit you in within a day. Please bring the referral form from your doctor with you to the appointment.