Mitral valve regurgitation


This case demonstrates typical radiographic features of chronic mitral regurgitation (confirmed on echocardiography) including:

  • convexity or straightening of the left atrial appendage along the left heart border below the main pulmonary artery due to left atrial enlargement;
  • double density projecting over the right heart, reflecting superimposition of enlarged left atrium over the right heart
  • elevation of the left main bronchus and splaying of the carina by enlarged left atrium
  • left ventricular enlargement
  • cephalization of flow due to pulmonary venous hypertension
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