,MEDICATIONS:,  MAC.,DESCRIPTION OF PROCEDURE: , The Olympus gastroscope was introduced into the oropharynx and passed carefully through the esophagus, stomach, and duodenum, to the third portion of the duodenum. 
,MEDICATIONS : , MAC.,DESCRIPTION OF PROCEDURE : , The Olympus gastroscope was introduced into the oropharynx and passed carefully through the esophagus , stomach , and duodenum , to the third portion of the duodenum .