Dose Reduction in CT Head Scanning – Kate Fairhurst

Great article in March’s edition of synergy (available on the website.)


Since its introduction, computed tomography (CT) has played an increasing role in the management of disease and emergency medicine. However, with new advancements and more accurate diagnosis, CT scanning is becoming the imaging modality of choice and accounts for 68% of the UK’s collective radiation dose. In this essay, the author will discuss techniques to reduce overall CT dose, such as reducing exposure parameters, shielding, dose modulation, and filters.