The patient need to be fast for a few hours before the procedure.-
-Before the patient takes the scan, you may be given a contrast media to improve the image quality either by swallowed in the form of a drink, injected into a blood vessel or enema . The technologist must be sure the patient not suffer from any food allergic , asthma or kidney disease and before that the patient should inform the doctor about all the medications that he use ,if the patient has an allergic the doctor will give him medications to reduce the risk of contrast media . …show more content…
-During the scan, the patient will lie on the bed and then the patient passes through the gantry to start scanning the body .
-The scanner will rotates around the body to get the images and represented on the monitor .
-The technologist will work with the scanner from the console room and the patient will be able to hear the instructions about breathing from technologist through an intercom to avoid artifacts on the image .
- The scan usually take around 10-20