The Basics of CT Continuing Education Course

The Basics of CT

6.25 CE Credits
Expiry date: May 1, 2023

A continuing education course intended to provide technologists with a firm foundation in CT scan basics, in everything from patient care to post-processing techniques.


  • Approved by the ASRT (American Society of Radiologic Technologists) for 6.25 Category A CE Credits
  • Subscription duration: 365 days from purchase date
  • Voiceover available
  • Downloadable transcript available
  • Meets the CE requirements of the following states: California, Texas, Florida, Kentucky, Massachusetts, and New Mexico
  • Meets ARRT® CE reporting requirements
  • Accepted by the NMTCB®
  • Hassle-free 30-day full refund policy*

The Basics of CT is designed to provide an introduction to CT scan imaging. The course is comprised of 8 modules that cover the major areas of knowledge and practice in CT, including patient care and reducing patient radiation dose, CT scanner evolution, the impact of different factors on image quality and patient dose, key concepts in image acquisition, parameters, as well as post-processing techniques, and much, much more.

As an introductory course, The Basics of CT is appropriate for technologists who need a refresher on the fundamentals of CT scan, for technologists who are cross-training into CT and need to build their knowledge base and competencies, and for students in radiology programs looking to enhance and supplement their knowledge of the modality.

Discipline Major content category & subcategories CE Credits provided
CT-2017 Patient Care
Patient Interactions and Management 0.75
CT-2022 Patient Care
Patient Interactions and Management 0.75
RA-2017 Patient Care
Pharmacology and Anesthetics Guidelines 0.75
RA-2018 Patient Care
Pharmacology 0.75
THR-2022 Patient Care
Patient Interactions and Management 0.75
CT-2017 Safety
Radiation Safety and Dose 0.75
CT-2022 Safety
Radiation Safety and Dose 0.75
CT-2017 Image Production
Image Formation 2.50
Image Evaluation and Archiving 1.50
CT-2022 Image Production
Image Formation 2.50
Image Evaluation and Archiving 1.50
NMT-2017 Image Production
Instrumentation 1.00
NMT-2022 Image Production
Instrumentation 1.00
THR-2017 Procedures
Treatment Volume Localization 1.00
THR-2022 Procedures
Treatment Volume Localization 1.00
Section 1: Patient Care
  • Communication
  • Pre-procedures
  • Intra Procedures
  • Contrast media
  • Venipuncture and injection techniques
  • High risk patients
  • Adverse reactions
Section 2: Radiation Safety and Dosage
  • Radiation physics
  • Dose measurement
  • Radiation safety
  • Review of dose reduction
Section 3: CT Terminology
  • Targeting
  • Pitch
  • Gantry
  • Filtered back-projection
  • Convolution
  • Mask
  • Deconvolution
  • Automated segmentation of kidneys
  • Helical interpolation
  • Collimator
Section 4: History of CT Scanners
  • Definition of a CT scanner
  • Scanner components
  • Scanner history
  • 2D, 3D, 4D and 5D images
Section 5: Acquisitions and Parameters
  • Acquisition modes
  • Acquisition parameters
  • Dosimetric indexes
  • Dose reference level
Section 6: Image Post Processing
  • Post-processing
Section 7: Image Quality
  • Image quality and resolution
  • Artifacts
Section 8: Informatics
  • Terminology
  • Evolution of health informatics
  • Hard/electronic copies
  • Archival
  • PACS and electronic medical record
  • Security and confidentiality
  • Networking
  • Artificial intelligence (AI)
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