Aortic coarctation aneurysm refers to a serious aortic disease in which the middle layer of the aorta is destroyed or necrotic due to various causes, causing tearing of the intima-media of the vascular wall, resulting in the blood flow in the lumen to enter the middle layer of the arterial wall through the tearing rupture to form an interstitial hematoma, forming a false lumen between the walls of the arteries. Acute aortic coarctation has a rapid onset, mostly manifested as a sudden severe tear-like sharp pain in the chest, abdomen or back, the pain can be conducted along the direction of the aorta and transferred to the abdomen or lower abdomen, the patient is more restless, sweating, or have a sense of imminent death. Aortic coarctation aneurysm is a fatal disease. Aortic coarctation rupture can cause acute cardiac tamponade, thoracic and abdominal hemorrhage, and retroperitoneal hemorrhage. If you notice any of the suspected symptoms, you should seek immediate medical attention.