How to Reduce the Radiation Risk in CT Scan through Various Methods

How to Reduce the Radiation Risk in CT Scan through Various Methods

After attending classes at the university, I was given an opportunity of observing and practicing in the CT scan department at Sir Charles Gardian Hospital.
After two years of working in general radiography, I was given on job training for 3 months in order to officially join the CT department. It is a well-known fact that the CT equipment produces radiation doses that are higher than those of conventional x-ray types of equipment. Since the CT scan operator directly controls technical factors such as x-ray tube voltage, the tube current, and rotation time, which directly affect the radiation dose, the scan operator plays an important role in the whole process.

Despite these facts, most CT technologists are provided on job training just to operate the CT equipment. I believe that the primary responsibility of any radiology technologist is to obtain the best image quality while delivering the smallest radiation dose possible. In fact, my knowledge in some aspects such as the principle of Automatic Exposure Control (AEC), the effect of scan collimation in CT scan, and patient centering was very superficial. Therefore, I realized that I really needed a proper training course to study these factors in detail, especially those related to radiation dose reduction.

Although the classes were able to provide me with information on different ways of radiation dose reduction during CT procedures, all these were summarised and delivered to us within a short period of time. I feel that the CT modules should focus more on patient assessment, radiation physics, radiation protection, examination protocols, and other issues that promote safe, quality patient care.

It is a fact that rapid advances are being made every day in diagnostic radiology and CT technology in particular. It is really a challenge, therefore, for CT technologists to cope up&nbsp.and update themselves with newer advances.&nbsp.&nbsp.

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