CT Dose Optimization and Radiation Safety
This course provides practical strategies to reduce CT dose, improve CT radiation safety, and apply effective CT radiation protection while maintaining diagnostic image quality. It provides 3.00 ARRT®-accepted Category A+ CE credits that can be used toward ARRT® certification and registration renewal, state license renewal, and CQR requirements
- 3.00 Category A+ Continuing Education Credits/Units
- Approved by the ASRT®
- Accepted by ARRT® CE reporting requirements
- Accepted by NMTCB®
- Meets the CE requirements of state license renewal
- Downloadable transcript
- 365-day course access
This CT Dose Optimization and Radiation Safety Course is designed to help imaging professionals strengthen their understanding of CT radiation safety, radiation physics, and practical dose-reduction strategies used in modern computed tomography. The course begins with the fundamentals of X-ray beam production, beam properties, photon interactions with matter, and the biological effects of ionizing radiation. Learners will then explore how key acquisition parameters such as kVp, mAs, pitch, collimation, filtration, automatic exposure control, reconstruction technologies, and dose modulation tools influence CT dose and image quality.
Through five focused modules, this CT radiation safety course provides practical guidance on minimizing patient exposure, applying population-specific safety practices, documenting CT dose metrics, and protecting personnel in the CT environment. Topics include patient positioning, shielding considerations, pediatric and pregnancy safety, CTDIvol, DLP, effective dose, controlled scan-room access, continuing education, and building a culture of radiation protection. By the end of the course, participants will be better prepared to apply CT dose optimization principles while maintaining diagnostic image quality and supporting safer, evidence-based CT imaging practice.
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Module 1: An Overview of Radiation Physics in CT
- Discuss x-ray beam production
- Understand x-ray beam properties
- Explain x-ray interactions with matter
Module 2: Minimizing Patient Exposure
- Identify key acquisition parameters
- Understand how to leverage advanced reconstruction and detector technologies
- Apply dose-optimization and safety tools
Module 3: Shielding and Patient Considerations
- Describe patient readiness for imaging
- Discuss how to enhance image quality through communication
- Recognize population-specific safety practices
Module 4: Dose Measurements
- Define key CT dose metrics
- Explain the role CT dose metrics play in patient safety
- Understand the importance of documentation
Module 5: Personnel Protection
- Understand how to control access to the scan room
- Understand how to strengthen safety with continuing education
- Identify barriers as well as ways to build a culture of safety
