Atrial septal defect chest x ray: Difference between revisions

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Although not the most preferred methodology, chest x rays may be used as a diagnostic tool in the evaluation of an atrial septal defect. Diagnostic findings may include enlargement of the atrial border or [[cardiomegaly]].
Although not the most preferred methodology, chest x rays may be used as a diagnostic tool in the evaluation of an atrial septal defect. Diagnostic findings may include enlargement of the atrial border or [[cardiomegaly]].


==Chest X-ray==
*==Chest X-ray==


Findings of Chest X-ray seen in atrial septal defects are-
Findings of Chest X-ray seen in atrial septal defects are-
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* Enlargement of the right side of heart, however the left atrium and left ventricle are normal.
* Enlargement of the right side of heart, however the left atrium and left ventricle are normal.


'''Sinus venosus defect''' a scimitar sign may be seen. This occurs due to the insertion of the pulmonary vein into the inferior vena cava and can be appreciated as abnormal densities on the chest X-ray. The scimitar sign is a vertical, gently curved, right-sided paracardiac density.  
* '''Sinus venosus defect''' a scimitar sign may be seen. This occurs due to the insertion of the pulmonary vein into the inferior vena cava and can be appreciated as abnormal densities on the chest X-ray. The scimitar sign is a vertical, gently curved, right-sided paracardiac density.  





Revision as of 19:46, 22 August 2011

Atrial Septal Defect Microchapters

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Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
Patent Foramen Ovale
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [[2]]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [[4]]

Overview

Although not the most preferred methodology, chest x rays may be used as a diagnostic tool in the evaluation of an atrial septal defect. Diagnostic findings may include enlargement of the atrial border or cardiomegaly.

  • ==Chest X-ray==

Findings of Chest X-ray seen in atrial septal defects are-

Enlarged right atrial border or cardiomegaly, if significant pulmonary hypertension is present.

  • In secundum ASD with large left-to-right shunt - Chest x-ray may show findings suggestive of cardiac enlargement and increased pulmonary vascularity. The increase in pulmonary vascularity typically extends to the periphery of the lung fields, and the pulmonary trunk and central branches appear dilated.
  • Triangular appearance of heart- This is seen because the enlarged pulmonary arteries prevents ascending and transverse aorta from forming the normal heart borders.
  • Enlargement of the right side of heart, however the left atrium and left ventricle are normal.
  • Sinus venosus defect a scimitar sign may be seen. This occurs due to the insertion of the pulmonary vein into the inferior vena cava and can be appreciated as abnormal densities on the chest X-ray. The scimitar sign is a vertical, gently curved, right-sided paracardiac density.


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References

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