Image 2
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Image 2
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The barium shows a posterior indentation typical of an aberrant artery.
The aortogram in Image 2 shows a left aortic arch with an aberrant right subclavian
artery. The shunt (arrowed) had been taken from this vessel to the right pulmonary
artery. The fact that the vessel is aberrant was understandably not evident
on the echo. The increased flow in it caused the artery to dilate and so produce
increasing pressure on the oesophagus.