Review of Cardiac Physiology for Medical Imaging

An overview of the language and concepts of cardiac physiology.

Course ID: Q00460 Category:
Modalities: , ,


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

Cardiac-Interventional Radiography: 2.50
Procedures: 2.50
Hemodynamics, Calculations, and Percutaneous Intervention: 2.50

Computed Tomography: 2.00
Procedures: 2.00
Neck and Chest: 2.00

Registered Radiologist Assistant: 2.50
Procedures: 2.50
Thoracic Section: 2.50


  1. Introduction
  2. Background of Important Concepts in Cardiac Physiology
    1. Cardiac Cycle
      1. Left Ventricular Systole
      2. Left Ventricular Diastole
      3. Pressure-Volume Loops and Cardiac Physiology
      4. Dilated Cardiomyopathy
      5. Hypertrophic Cardiomyopathy
      6. Restrictive Cardiomyopathy
  3. Applying Cardiac Physiology Principles to Radiology
    1. Measuring Cardiac Volumes and Myocardial Mass
    2. Physiology of Valvular Stenosis
      1. Aortic Stenosis
      2. Mitral Stenosis
    3. Physiology of Valvular Insufficiency
      1. Aortic Insufficiency
      2. Mitral Insufficiency
    4. Physiology of Cardiac Shunts
    5. Heart Rate and Cardiac Gating
  4. Conclusion


Upon completion of this course, students will:

  1. describe when left ventricular systole occurs
  2. express what causes the aortic valve to open
  3. choose the duration time of isovolumetric contractions
  4. recall the definition of peak systolic pressure
  5. define stroke work
  6. recognize the components of the Wiggers diagram
  7. define stroke volume
  8. define ejection fraction
  9. explain what affects cardiac output
  10. define preload
  11. compare dilated, hypertrophic, and restrictive cardiomyopathy
  12. name the basic cardiac volumes quantified by a radiologist
  13. differentiate between imaging procedures for measuring cardiac volume and myocardial mass
  14. apply the formula for calculating myocardial mass
  15. describe valvular stenosis
  16. apply the formula for calculating blood flow to determine valvular stenosis and valvular regurgitation
  17. recognize the modified Bernoulli equation
  18. compare cardiac CT and MR imaging for measuring valve area
  19. assign values to mild, moderate, severe, and critical aortic stenosis
  20. recall areas of the heart affected by mitral valve stenosis
  21. assign values to mild, moderate, and severe mitral valve stenosis
  22. recall blood flow from the right side of the heart
  23. explain the regurgitation fraction
  24. define regurgitation percentages
  25. explain aortic valve insufficiency
  26. explain mitral valve insufficiency
  27. state how cardiac shunts occur
  28. list the most common left-to-right cardiac shunts
  29. recall ratios denoting the possibility for significant hemodynamic compromise
  30. compare imaging techniques for measuring the ratio of pulmonary to systemic blood flow
  31. describe diastole at a resting heart rate of 70 beats per minute
  32. name the time interval of one cardiac cycle
  33. differentiate between electrocardiographic synchronization techniques
  34. list dose reduction techniques for cardiac CT
  35. understand how different heart rhythms can complicate cardiac MR and CT