Bands, Chords, Tendons, and Membranes in the Heart: An Imaging Overview

Ameya Jagdish Baxi1, Sina Tavakoli1, Daniel Vargas2

  • 1Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, TX.

Insights

Cardiac structures like bands and membranes can be incidental or cause hemodynamic disturbance. Advanced imaging aids in diagnosing these conditions and planning treatment.

Area of Science:

  • Cardiology
  • Radiology
  • Anatomical Pathology

Background:

  • Cardiac chambers contain various structures including crests, bands, chords, and membranes.
  • These structures can be asymptomatic or lead to significant hemodynamic disturbances.
  • Accurate diagnosis requires understanding normal variants and pathological features.

Purpose of the Study:

  • To review cross-sectional cardiac imaging findings.
  • To differentiate normal anatomical variants from pathological bands, chords, or membranes.
  • To highlight imaging features associated with hemodynamic changes.

Main Methods:

  • Utilizing newer generation computed tomographic (CT) scanners.
  • Employing faster magnetic resonance imaging (MRI) sequences.
  • Acquiring high-resolution images of cardiac chambers.

Main Results:

  • Advanced CT and MRI provide high spatial and temporal resolution.
  • Improved identification of small internal cardiac structures like papillary muscles, muscular bands, chords, and membranes.
  • Facilitation of diagnosis for associated complications and malformations.

Conclusions:

  • Cross-sectional imaging is crucial for diagnosing cardiac chamber abnormalities.
  • Distinguishing normal variants from pathological structures is key for patient management.
  • Advanced imaging aids in treatment planning for hemodynamic disturbances.

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