Arterial coarctation is usually aortic coarctation, the formation of the cause, mainly with long-term high blood pressure, connective tissue disease, congenital vascular deformity, trauma and other factors, but the vast majority of the long-term blood pressure control is not good caused by. Aortic coarctation refers to a tear in the lining of the vessel wall, where blood enters the vessel wall and forms a false vascular chamber inside the vessel wall, in which case tear-like pain occurs. There are several main reasons for its formation. 1. Commonly, there is long-term high blood pressure, which causes a decrease in the elasticity of blood vessels and damage to the inner wall of blood vessels, thus allowing blood to enter and cause a tear in the intima-media. Aortic coarctation often occurs because the aortic region is subjected to a large amount of blood impact for a long time. 2. Connective tissue diseases, such as equine syndrome, systemic lupus erythematosus, and multiple nodular arteritis, are also prone to arterial entrapment, which is also common in the aorta. 3. Congenital aortic constriction and congenital bilobed aortic valve in congenital heart disease may also lead to aortic coarctation. 4. Severe trauma or invasive procedures may also cause damage to the lining of the blood vessels, resulting in arterial coarctation. As the blood flow in the aorta is relatively high, it is easy to rupture or pericardial tamponade, and the condition is critical, so it is necessary to go to the hospital as soon as possible to deal with it.