This?e-learning program?is designed to provide continuing education to medical imaging professionals regarding safety and quality in computed?tomography (CT). Throughout this?e-learning course?the participants are expected to:Learn the appropriate use of CT;Understand the various CT techniques and scan parameters;Understand CT dose metrics and tracking methods;Address the needs of creating various CT protocols, including those for chest, abdomen, and head, as well as those for paediatric patients; andUnderstand how to optimize exposure during pregnancy.The estimated time for the entire course is 5 hours maximum. After completing the course, participants can take the final exam to receive a certificate of attendance. This e-learning course is provided in English.