Classification-acute aortic syndromes

(proximal more common than distal; JACC 2019;74:1494 & 2020;76:1703)

• Proximal:
  • involves ascending Ao,
  • regardless of origin (= Stanford A, DeBakey I & II)
• Distal:
  • involves descending Ao only,
  • distal to L subclavian art. (= Stanford B, DeBakey III)