Transposition of the great vessels chest x ray

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Transposition of the great vessels Microchapters

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Overview

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Dextro-transposition of the great arteries
L-transposition of the great arteries

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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]; Keri Shafer, M.D. [4]; Kristin Feeney, B.S. [5]

Overview

An x-ray may be helpful in the diagnosis of TGA. Findings on an x-ray suggestive of TGA include egg on a string appearance of the heart, increased pulmonary vascular markings, and cardiomegaly.

Chest X Ray

  • It may be normal in the first few days of life.[1]
  • “Egg on a string” is the classic X Ray finding of this condition. It is so called as the arteries form a pedicle due to transposition.
  • Pulmonary vascular markings are often normal or increased if the condition is associated with ventricular septal defect.
  • Ascending aorta occupies the left border of the cardiac silhouette and has straight profile in L -TGA.

References

  1. Martins P, Castela E (October 2008). "Transposition of the great arteries". Orphanet J Rare Dis. 3: 27. doi:10.1186/1750-1172-3-27. PMC 2577629. PMID 18851735.



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