+ Risk of death in untreated type A<unk>  25% in first 24 hours 50% in first 72 hours 80% in two weeks 90% in first month Of all people with<unk> , 40% die immediately and do not reach a hospital in time. Of the remainder, 1% die every hour, making prompt diagnosis and treatment a priority. Even after diagnosis, 5–20% die during surgery or in the immediate postoperative period. In ascending<unk> , if surgery is decided to be not appropriate, 75% die within 2 weeks. With aggressive treatment, 30-day survival for thoracic<unk> s may be as high as 90%.
Aortic dissection
Costochondritis
Aortic rupture
Tietze syndrome  Tietze syndrome  1
Acute aortic syndrome
Thoracic aortic aneurysm
Aortoenteric fistula
Myocardial rupture