How to check the gastrointestinal tract

There are many ways to check the gastrointestinal tract. Common examination methods include stool examination, endoscopy, X-ray examination, etc.

1. Stool

examination can be used to rule out bacterial infection, parasite infection, gastrointestinal bleeding, etc. Common stool examination includes occult blood test, pathogen detection, etc.

2. Endoscopy

includes gastroscopy, enteroscopy, etc., which can directly observe the pathological changes of gastric mucosa and intestinal mucosa, and help to diagnose diseases such as polyps, inflammation, ulcers, tumors, etc., and biopsy.

3. X-ray examination

By drinking liquids containing contrast agents or ingesting capsules of contrast agents, combined with X-ray, doctors can observe the morphology and movement of the gastrointestinal tract.