What Is A Barium Swallow Test Used To Diagnose?

What Is A Barium Swallow Test Used To Diagnose? A barium swallow is a test that shows the inside of your food pipe (oesophagus). Doctors can use it to help diagnose oesophageal cancer. You drink white barium liquid, which shows up on x-rays. Your doctor (radiologist) or radiographer then takes x-rays while you swallow the