Since patients are exposed to x-rays during the examination, those who are pregnant or suspect that they are should not undergo this examination.
Injection of a contrast medium into patients’ veins is required for the MDCT examination. Therefore, the patients with the following diseases or symptoms are not recommended for this test because they might be severely allergic to contrast medium or have acute renal failure.
- Severe asthma
- Renal disease with high creatinine level or chronic renal failure
- A history of severe allergy to seafood or contrast medium from x-ray examination
However, if patients who have the above diseases or history need to be treated by this method, they are required to inform hospital personnel in advance.