https://www.goodrx.com/health-topic/diagnostics/barium-swallow
What Is a Barium Swallow Test, and When Is It Used? - GoodRx
A barium swallow is a radiographic study where you swallow a special contrast dye, and then a specialist takes X-ray pictures of the esophagus and stomach....
barium swallow testwhat isit used
https://medlineplus.gov/lab-tests/barium-swallow/
Barium Swallow: MedlinePlus Medical Test
A barium swallow is an imaging test of your throat, esophagus, and stomach. Swallowing barium makes it easier for abnormal areas to be seen clearly on an x-ray.
barium swallowmedlineplusmedicaltest