CT of Coronary Artery Disease – Latest Developments

A presentation of how rapidly evolving CT technology and a reduction in radiation dose have led to new applications, improved clinical cardiovascular disease management, and increased emphasis on cost-effectiveness.

Course ID: Q00290 Category:
Modalities: , ,


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Targeted CE per ARRT’s Discipline, Category, and Subcategory classification for enrollments starting after February 8, 2023:
[Note: Discipline-specific Targeted CE credits may be less than the total Category A credits approved for this course.]

Cardiac-Interventional Radiography: 1.00
Procedures: 1.00
Diagnostic and Electrophysiology Procedures: 1.00

Computed Tomography: 3.25
Safety: 0.25
Radiation Safety and Dose: 0.25
Image Production: 0.50
Image Formation: 0.50
Procedures: 2.50
Neck and Chest: 2.50

Nuclear Medicine Technology: 1.00
Procedures: 1.00
Cardiac Procedures: 1.00

Registered Radiologist Assistant: 2.75
Safety: 0.25
Patient Safety, Radiation Protection, and Equipment Operation: 0.25
Procedures: 2.50
Thoracic Section: 2.50


  1. Introduction
  2. The Scope
  3. Technical Evolution
  4. Radiation Dose
  5. Framework for Appropriate Use and Indication
  6. Comparison with Conventional Coronary Angiography
  7. Beyond Feasibility Testing
  8. CT for Acute Chest Pain Assessment in the Emergency Department
  9. Left Ventricular Function
  10. Emerging Applications
    1. Coronary Atherosclerotic Plaque Imaging
    2. Myocardial Perfusion and Viability
  11. Coronary CT Angiography in a Changing Health Care Environment
    1. Emerging Data about Outcome and Prognosis
    2. Evolution of Cardiovascular Disease Management
    3. Cost-effectiveness
  12. Conclusion


Upon completion of this course, students will:

  1. understand why coronary CTA is a widely accepted clinical application
  2. know reasons that there has been a decline in cardiovascular mortality
  3. be aware of what CT conditions cardiac scanning can evaluate
  4. realize the improvements in CT cardiac scanners
  5. be aware of the patient preparation for coronary CTA
  6. appreciate the advantages of the dual source scanners
  7. know what dual energy is
  8. realize that there are recommendations to reduce dose
  9. comprehend prospective ECG-triggering
  10. understand prospective ECG-triggering limitations
  11. know what recent advance allows for lower dose
  12. recognize potential patient candidates for coronary CTA
  13. be aware why coronary CTA is not recommended as a general screening test
  14. recognize what is the cornerstone for CT in management of symptomatic patients suspected of having CAD
  15. understand why dual source and multi detector scanners improve cardiac studies
  16. realize the potential for reducing blooming artifacts
  17. recognize what further tests are advised following an inconclusive coronary CTA
  18. be aware of the role of a triple rule out study
  19. appreciate that CTA scanning is as safe and accurate as another standard test
  20. appreciate how cardiac CT compares with other studies
  21. understand why cardiac CT will never be the primary test for cardiac function
  22. compare the function results of the early 4 row scanners to the 64 row scanners
  23. recognize what allows visual evaluation of wall motion
  24. appreciate how 256 and 320 detector row scanners will improve cardiac scanning
  25. be aware of what a rupture of plaques will be associated with
  26. comprehend why CT is the modality of choice for artery plaque analysis
  27. identify what will help to differentiate calcified vs non calcified plaque components
  28. compare information from exercise stress testing, rest stress US with CT
  29. understand the importance of multiple studies for cardiac evaluation
  30. realize the goals in attaining myocardial perfusion information
  31. comprehend the achievements made in attaing myocardial perfusion information
  32. recognize how principles from MR can be applied to CT for myocardial viability
  33. know what value of kV shows better iodine differentiation
  34. be aware of research study results about coronary CTA
  35. identify how management of CAD is changing
  36. know a prevention program for lowering CVD mortality
  37. appreciate cost-effectiveness for cardiac CTA
  38. recognize when conventional coronary catheterization is cost-effective
  39. realize for what group of patients having a CTA in the ER is the most cost-effective
  40. understand how the scope of coronary CTA is widening