Tricuspid atresia chest x ray

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Keri Shafer, M.D. [2] Priyamvada Singh, MBBS [3]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [4]

Chest X Ray

Shown below is an example of chest x ray in a patient with tricuspid atresia demonstrating the following features:

(a) Reduced pulmonary blood flow, prominent aortic root (AO) and right atrium (RA)

(b) The left anterior oblique projection on the right side shows distinctive humped appearance of the anterior cardiac silhouette due to right atrial (RA) enlargement in the absence of a right ventricle. The left ventricle (LV) is enlarged.

(c) A right aortic arch may be observed in some cases.

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