Acronym

BA - Barium

Barium contrast used in fluoroscopic GI studies

Expansion

Barium

Purpose

Includes barium swallow, meal, and enema

Clinical Context

Barium is inert positive contrast. Barium swallow for esophageal pathology, barium meal for gastric ulcer, barium enema for colonic polyps.

  • Upper endoscopy:
  • CT enterography:
  • Colonoscopy:

Key Points

  • Barium studies less common now due to availability of endoscopy and CT; still useful for motility disorders