Barium follow through is useful in delineating small intestinal anatomy. Barium enema may be undertaken to see colonic or ileal lesions.
Malabsorption abdominal x ray
Increased bowel sounds x ray
Toxic megacolon abdominal x ray
Short bowel syndrome x ray
Increased bowel sounds CT
Constipation other imaging findings
Failure to thrive x ray
Increased bowel sounds other diagnostic studies