Barium or air contrast enema We will give you details on how to prep when you make your appointment. Pleasecall the UPMC Imaging centerfor specific instructions for: Children under 12. Tests using contrast. Those with a colostomy. Study times vary in length. ...
and rectum. Then they make a small hole in the wall of your belly and attach the bottom part of your small intestine to that opening. After the surgery, you won't poop the way you did before. Your waste will come out of the new opening and drain into a bag, called an ostomy ...