What major types of enteric contrast agent are available?
Barium sulfate enteric contrast agents (predominantly used in gastrointestinal fluoroscopic and CT studies) are utilized for distention and opacification of the gastrointestinal tract and may be administered by mouth, per rectum, via an ostomy, or via an indwelling bowel catheter. Iodinated enteric contrast agents can alternatively be utilized to distend and opacify the bowel.
