Cor triatriatum chest x ray

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [3]

Overview

Although not the most preferred methodology, chest x rays may be used as a diagnostic tool in the evaluation of a cor triatriatum defect. Diagnostic findings may include cardiac enlargement, mitral stenosis, and potential additional defects.

Chest x-ray

• When cor triatriatum occurs as an isolated defect, the hemodynamic derangement is identical to that of mitral stenosis and the chest radiography shows a normal sized heart with changes of chronic interstitial edema.
• Findings are usually nonspecific but may include:
  • Pulmonary congestion with diffuse haziness, Kerley B lines, and pulmonary vascular redistribution
  • Mild cardiac enlargement
  • Prominence of the pulmonary arterial segment
  • Dilated proximal chamber, may produce the appearance of left atrial enlargement
  • Presence of an atrial septal defect or anomalous pulmonary venous connection. This in turn can cause:
    • Pulmonary overcirculation to the pulmonary venous obstruction
    • Significant right ventricular enlargement

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External Links

• Image at Yale University
• Diagram at University of Hawaii
• Description at University of Hawaii
• Echocardiogram at ecocardiografia.info
• Goldminer: Cor triatriatum
• Echocardiogram at ecocardiografia.info
• Cardiac MRI
• Cor triatriatum sinistrum: A pathomorphological image
• Angiography: Cor triatriatum dexter

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