CTICasesAcute-on-Chronic Type A Aortic Dissection
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Imaging findings
A patient presenting with heart failure was found to have a type A aortic dissection involving the root, causing aortic insufficiency. Imaging features included a thickened intimo-medial flap in the descending aorta and chronic root dilation, suggesting an acute event superimposed on a chronic dissection.
Key takeaways
Type A aortic dissections can present with heart failure due to aortic insufficiency from root dilation. A thickened intimo-medial flap observed on CT may serve as an important clue for identifying a chronic component in an acute dissection.
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