High-yieldHigh-yieldEvidence update
Non-A, non-B aortic arch dissection with atypical presentation, ambiguous CTA findings, and therapeutic dilemma
AJEM6 Aug 2026General Emergency Medicine
Clinical takeaway
When suspicion for acute aortic syndrome remains high despite equivocal CTA, obtain expert radiology and aortic-team review and pursue timely repeat or alternative imaging.
EDCritix summary
A case of non-A, non-B arch dissection illustrates how atypical symptoms and subtle CTA findings can produce diagnostic and treatment uncertainty despite modern imaging.