Multimodality Imaging of Bands in the Heart

A review of various bands and band-like structures within the cardiac chambers, as well as the role of imaging in depicting the bands, their appearances with various imaging modalities, and their clinical significance.

Course ID: Q00592 Category:
Modalities: , , ,

3.5

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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: 2.75
Procedures: 2.75
Hemodynamics, Calculations, and Percutaneous Intervention: 2.75

Computed Tomography: 2.75
Procedures: 2.75
Neck and Chest: 2.75

Registered Radiologist Assistant: 2.75
Procedures: 2.75
Thoracic Section: 2.75

Outline

  1. Introduction
  2. Imaging Modalities
  3. Normal Structures and Variants
    1. Crista Terminalis
    2. Taenia Sagittalis
    3. Chiari Network
    4. Coumadin Ridge
    5. Moderator Band
    6. Papillary Muscles and Chordae Tendineae
  4. Aberrant Structures
    1. Aberrant Papillary Muscles
    2. Accessory Chordae Tendineae
    3. Accessory Mitral Valve Tissue
    4. Aberrant Ventricular Bands
    5. Aberrant Atrial Bands
  5. Pathologic Entities
    1. Double-chambered RV
    2. Double-chambered RA
    3. Cor Triatriatum
    4. Subaortic Stenosis
    5. Shone Complex
  6. Conclusion

Objectives

Upon completion of this course, students will:

  1. know which cardiac bands and bandlike structures are usually asymptomatic
  2. be familiar with the various types of bands in the heart
  3. know the most frequent result of cardiac pathologic entities
  4. identify the common clinical scenarios in which imaging is involved in cardiac band diagnosis
  5. know the first-line imaging modality used in the evaluation of the heart
  6. understand the reasons why a patient might be referred for further imaging after the completion of the first-line imaging of the heart
  7. be familiar with the advantages, disadvantages, and indications for utilizing the various imaging modalities in the evaluation of cardiac bands
  8. be familiar with how cardiac band normal variants and other structures are typically depicted on MR imaging
  9. know what is essential for dynamic and functional information in cardiac CT imaging
  10. understand how a thrombus can be characterized and distinguished from a neoplasm in CT imaging
  11. recognize some basic facts about the crista terminalis
  12. distinguish thrombus from crista terminalis at MR imaging
  13. be familiar with the pattern types of the taenia sagittalis muscle
  14. understand how taenia sagittalis is visualized at medical imaging
  15. be familiar with the broad spectrum of possible Chiari network manifestations
  16. recognize both the possible protective role that a Chiari network might have, as well as the potential clinically significant conditions to which it could lead
  17. know how a Chiari network presents at imaging
  18. know the more familiar nomenclature for the left lateral ridge of the left atrial wall between the left superior vein and left atrial appendage
  19. know how to distinguish the left lateral ridge from a pathologic entity on CT and MR imaging
  20. identify the reason behind the nomenclature of the moderator band
  21. recognize the functions of the moderator band
  22. be familiar with how the moderator band is depicted at imaging
  23. know the location at which a prominent or hypertrophied moderator band can be confused with a thrombus on echocardiography
  24. be familiar with the basic anatomic structure and location of papillary muscles
  25. understand the conditions resulting from papillary muscle variances
  26. be familiar with how the Berdajs system classifies papillary muscles at imaging
  27. identify the various types of aberrant papillary muscle anomalies
  28. be familiar with the conditions caused by the various types of aberrant papillary muscle anomalies
  29. know how MR imaging benefits the assessment of aberrant papillary muscles
  30. indicate how the various aberrant papillary muscle anomalies are depicted at imaging
  31. understand the potential clinical symptoms of accessory chordae tendineae
  32. be familiar with how accessory chordae tendineae appear at imaging
  33. identify the insertion locations for the chordae tendineae of AMVT
  34. know the potential clinical symptoms of AMVT
  35. be familiar with some of the basic anatomy and morphology of aberrant ventricular bands
  36. specify the clinical conditions which can arise from a false tendon
  37. be familiar with the various types of false tendons
  38. understand how an aberrant atrial band demonstrates at imaging
  39. be familiar with how double-chambered RV demonstrates at imaging
  40. know how a double-chambered LV differs from a double-chambered RV
  41. know the cardiac chambers in which cor triatriatum sinister and cor triatriatum dexter would be located
  42. specify the morphologic types of cor triatriatum dexter
  43. be familiar with the morphologic and prevalence information about subaortic stenosis
  44. understand what imaging information is important for subaortic stenosis surgical decision making
  45. know which imaging techniques can demonstrate the various left-sided obstructive cardiovascular lesions associated with shone complex