Barium X-ray examinations are useful tools for the study of appearance and function of the parts of the<unk>  tract. They are used to diagnose and monitor esophageal reflux, dysphagia, hiatus hernia, strictures, diverticula, pyloric stenosis, gastritis, enteritis, volvulus, varices, ulcers, tumors, and<unk>  dysmotility, as well as to detect foreign bodies. Although barium X-ray examinations are increasingly being replaced by more modern techniques, such as computer tomography, magnetic resonance imaging, ultrasound imaging, endoscopy and capsule endoscopy, barium contrast imaging remains in common use because it offers the advantages of greater affordability, wider availability, and better resolution in assessing superficial mucosal lesions.
Upper gastrointestinal series
Lower gastrointestinal series
Electrogastrogram
Capsule endoscopy
Magnetogastrography
GI cocktail
Gastric emptying scan
Enteroscopy