Gastrointestinal tests in addition to gastroscopy also include enteroscopy, gastrointestinal imaging, H. pylori testing, and stool routine.
Serologic tests, i.e., peripheral blood tests, include routine blood tests, H. pylori antibodies for detecting H. pylori, mural cell antibodies and endogenous factor antibodies for helping to classify atrophic gastritis, and carcinoembryonic antigen and CA199 for helping to diagnose gastric and intestinal cancers. There are also routine stool + occult blood test.
Imaging and operation examination, gastroenteroscopy can clearly show esophagus, gastrointestinal mucosal lesions, inflammation, ulcers, polyps, etc., biopsy can also be taken, gastroscopy contraindications can be feasible gastrointestinal angiography, ultrasonography or CT angiography can show whether there is any abnormality in the gastrointestinal cavity.
Any gastrointestinal discomfort should go to the hospital, under the guidance of the doctor to check and treat.