The tube is advanced through the esophagus and stomach to the duodenum. I.V. glucagon is started or an intramuscular injection of an anti-cholinergic drug is given. Barium is passed into the duodenum through the catheter. X-ray spot films are made. Some barium is withdrawn.
Air is passed through the catheter.
Additional spot films are taken. You may be asked to wait a short while until films are developed. Rest in a waiting area until someone can take you home. A laxative to relieve constipation may be given. You may burp instilled air or pass gas for 24 to 72 hours.