Left atrial enlargement

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[edit] Discussion of Left atrial enlargement

[edit] Etiologies


[edit] Imaging Findings for Left atrial enlargement

[edit] Plain film

  • Double density sign: Occur when the right side of the left atrium pushes into the adjacent lung.
  • Convex left atria appendage: usually reflect prior rheumatic heart disease
  • Splaying of the carina
  • Posterior displacement of the left main stem bronchus on lateral radiograph
  • Superior displacement of the left main stem bronchus on frontal view
  • Posterior displacement of a barium filled esophagus

[edit] Images

Patient #1: Double density sign

[edit] See Also

[edit] External Links

[edit] References for Left atrial enlargement