主动脉夹层动脉瘤是心血管病致命性急重症之一。起病急骤,病死率高,如不及时抢救,25%死于24小时内,50%死于1周,3个月内病死率为90%以上,而应用现代诊断及治疗方法病死率可降低到25～35%。因此,提高对本病的认识及警惕性,做到早期诊断和合理治疗,对改善预后有重要意义。病例报告男,53岁,因突然胸、腰痛伴双下肢麻木3小时,急诊入院。发病前2天自述有感冒、咳 Aortic dissection aneurysm is one of the fatal critical illness of cardiovascular disease. Rapid onset, high mortality, if not promptly rescued, 25% died within 24 hours, 50% died in 1 week, 3 months mortality was 90%, while the application of modern diagnosis and treatment of mortality can be reduced To 25 ~ 35%. Therefore, to improve awareness of the disease and vigilance, so early diagnosis and reasonable treatment, to improve the prognosis of great significance. Case report Male, 53 years old, due to sudden chest, back pain with numbness of lower extremities 3 hours, emergency admission. 2 days before the onset of a cold, cough