The patient was placed in the left lateral decubitus position, medicated with the above medications to achieve and maintain a conscious sedation.  Vital signs were monitored throughout the procedure without evidence of hemodynamic compromise or desaturation.,The Olympus single-channel endoscope was passed under direct visualization through the oral cavity and advanced to the second portion of the duodenum.,FINDINGS:,ESOPHAGUS:  Proximal and mid esophagus were without abnormalities.,STOMACH:  Insufflated and retroflexed visualization of the gastric cavity revealed,DUODENUM:  Normal.gastroenterology, gastric cavity, lateral decubitus position, endoscope, olympus, egd, visualization, cavity, duodenum, esophagusNOTE