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CardiologyEmergency MedicineVascular Surgery

Acute Aortic Syndrome / Dissection

AAS includes classical dissection, intramural haematoma, penetrating ulcer — Stanford A vs B, BP/HR control, type-specific management.

Source: ESC 2014 Aortic Diseases; ACC/AHA 2022

Step 1 of ~9
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Recognise — Severe Sudden Pain

Tearing/ripping chest or interscapular pain, often migrating. Risk: hypertension, connective tissue disease (Marfan, EDS, Loeys-Dietz, Turner), bicuspid AV, prior aortic surgery, recent procedure, pregnancy, cocaine. Examine for: BP differential >20 mmHg between arms, new AR murmur, pulse deficits, focal neurology, syncope, lower-limb ischaemia, end-organ malperfusion.

Related

Curated clinical cross-links plus same-class fallbacks.

📚 MRCEM Revision

Featured in these MRCEM clinical pathways

A deeper exam-focused version of this pathway is available on our sister siteReviseMRCEM.

MRCEM Primary / Intermediate / OSCE candidates: each pathway includes exam-style questions, RCEM/NICE citations, and FAQ summaries.

Decision support only. Always apply local guidelines and clinical judgement.