Barium enema may be helpful in diagnosing underlying diseases of constipation.<unk>  on a barium enema suggestive of constipation are redundant sigmoid colon, megacolon, megarectum, extrinsic compression, and intraluminal masses. Defecography may be helpful in diagnosing underlying diseases causing constipation.<unk>  on a defecography suggestive of constipation are poor activation of levator ani muscle, prolonged retention or inability to expel the barium, absence of a stripping wave in the rectum, mucosal intussusceptions, or rectocele. The transit time of the colon can be measured by means of various methods, include radiopaque marker ingestion, radioisotope and scintigraphy study, and wireless motility capsule.
Constipation other imaging findings
Bowel obstruction other imaging findings
Dyspepsia other imaging findings
Constipation other diagnostic studies
Increased bowel sounds other diagnostic studies
Clostridium difficile infection other imaging findings
Jaundice other imaging findings
Bowel obstruction laboratory findings