Barium Swallow

A barium swallow (or esophagography) is a medical imaging procedure used to examine the upper GI (gastrointestinal) tract, which includes the esophagus and, to a lesser extent, the stomach.

Read more about Barium Swallow:  Principle, Examination, Pathology

Famous quotes containing the word swallow:

    So a swallow perpetuated
    In dove-gray dusk can be both the end and the exaltation of a new
    Beginning, yet forever remain itself....
    John Ashbery (b. 1927)