Question
Chest X-ray shown below is showing all the features except:
| A. |
Right atrial enlargement
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| B. |
Narrow vascular pedicle
|
| C. |
Decreased pulmonary blood flow
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| D. |
Pulmonary venous hypertension
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Show Answer
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Correct Answer � D
Explanation
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Ans : D . Pulmonary venous hypertension
The given chest X-ray is of Ebstein’s anomaly (with box-shaped heart) shows cardiomegaly, narrow vascular pedicles, hyperlucent lung fields (less prominent vascular markings suggestive of decreased pulmonary flow), not the pulmonary hypertension in this case. Pulmonary venous hypertension will show prominent hilar vessels, plethoric lung fields.
Ebstein’s anomaly is a congenital abnormality of the tricuspid valve.
It is a displacement of the tricuspid valve toward the apex of the right ventricle which produces a larger right atrium and a smaller right ventricle. There is often associated infundibular narrowing.
The septal and mural leaflets are more apically placed than normal, resulting in a malfunctioning, regurgitant tricuspid valve and atrialization of the proximal right ventricle.
Ebstein’s anomaly results in the gross enlargement of the cardiac contour with a prominent curved right atrial border on the plain chest radiograph.
