Aortic coarctation

Case contributed by A.Prof Frank Gaillard


Reduced exercise tolerance.

Patient Data

Age: 25 years
Gender: Male

Chest x-ray

Chest x-ray demonstrates a relatively small aortic knuckle with an indentation in its contour laterally. The heart size is within normal limits, although the left apex appears to point inferiorly, perhaps suggesting ventricular hypertrophy. Lungs and pleura are unremarkable. The inferior surface of multiple posterior ribs appears notched. 

Annotated image

Figure 3 sign

The coarcted aorta is seen as an indentation of the lateral aspect of the vessel giving it a figure of 3 appearance. 

Case Discussion

This patient had known aortic coarctation of the aorta, and this x-ray was obtained prior to surgical correction. 

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Case information

rID: 15523
Published: 24th Oct 2011
Last edited: 5th Oct 2019
System: Vascular, Chest
Tag: aorta
Inclusion in quiz mode: Included

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