Gastric barium meal

Barium is a contrast agent that can be taken orally or by enema to make the gastrointestinal tract more visible under X-ray irradiation. The X-ray examination of the stomach is mainly based on the double contrast angiography method, and the comprehensive examination procedures of the mucosal method, filling method and compression method are beneficial to find lesions and improve the diagnosis rate. Need to check the crowd: 1. Upper abdominal discomfort and upper abdominal mass. 2. Congenital gastrointestinal abnormalities. 3. Review after gastric surgery.