Before gastroscopy, you should have an empty stomach. In addition, routine examination should be improved, including routine examination of liver function, biochemical examination, electrocardiogram examination and chest X-ray examination. For children, when a foreign body or metal foreign body is suspected, at least one film should be taken to see if the foreign body still exists. If there is something, abnormality or tumor in the stomach, consider doing a gastroscope or taking a foreign body. Before taking foreign bodies, in addition to the above inspection, fasting should be done before operation. Those without upper gastrointestinal obstruction need to fast for more than 6 hours. If upper gastrointestinal obstruction is considered, it is possible to fast 12 hour or even longer, or even 24 hours. Its main purpose is to ensure gastric emptying, minimize gastric retention, and avoid a large amount of food accumulation, which leads to the obstruction of gastroscopy and the inability to see the normal position to be examined.
Stomach flatulence has the following symptoms: First, the stomach is full and looks full, which may be accompanied by symptoms such as stomach pain, nausea, vomiting and inability to eat. It is suggested to take orally Jianwei Xiaoshi tablets, motilium and other drugs to relieve the treatment. Second, every morning before and after breakfast, there will be hiccups, accompanied by gas ejection, weight loss, mental depression and other symptoms. It is suggested to take more exercise and walk after meals to promote intestinal peristalsis and help digestion. The third is upper abdominal discomfort or pain, fullness, heartburn and other symptoms. It is suggested that oral amoxicillin capsules and other drugs should be taken for remission.