Diffuse umbilical pain

Acute obstruction of the superior mesenteric artery is mostly due to cardiogenic emboli occlusion and obstruction of the artery, or arteriosclerosis secondary to thrombus blocking the lumen, eventually leading to the corresponding tissue infarction, the severity of which depends on the arterial basis Disease, infarct speed, extent, and collateral circulation. Abdominal pain is the most common symptom. It is often a sudden, diffuse umbilical pain. The patient's expression can be extremely painful, and painkillers are often ineffective.