Patients are asked to come after fasting for at least six hours prior to the test. In case of the examination with a contrast agent, it is advised to drink one litre of liquids (water, weak tea) for a rich body hydration. It is good to wear casual clothes for the examination and without any metal elements, such as: buckles, rivets or buttons as they may interfere an image.
This examination may be conducted in any moment of menstrual cycle, even during period. However, for the safety of pregnant women, it is advised to take the examination until the tenth day of cycle (to avoid irradiation in case of unrecognised early pregnancy).
What should you report to the examining person?
Before the examination:
During the examination:
- tell if you are allergic to any drug or contrast media or you had any severe reactions in the past,
- bring your medical reports, which were done prior to the test,
- tell if you have bleeding tendency (purpura),
- tell if you are pregnant or if there is any chance of pregnancy,
- give your present GFR (if there is a probability of using contrast agent during the test).
Although being closed, a patient has a continuous possibility of contact with an examining person. During the test, the following should be told immediately:
After the examination:
- any problems (e.g. feeling of claustrophobia),
- any symptoms after vein injection of an agent (dyspnoea, dizziness, nausea).
Administration of popularly used iodic contrast agents in computed tomography may sometimes cause:
- feeling hot,
- metallic taste in the mouth,
- heart palpitations.
After the procedure, you are advised to drink 2.5 litres of still water or sugarless drinks in next 24 hours. Sometimes, after the examination with contrast agent usage, nausea, rash or itching may appear. You should tell your doctor about these symptoms immediately.