Jerome B. Simon MD FRCPC FACP

Barium Enema

Top of the pageBarium EnemaA barium enema, or lower gastrointestinal (GI) examination, is an X-ray examination of the large intestine (colon and rectum). The test is used to help find problems that affect the large intestine.To make the intestine visible on an X-ray...


Lipase is an enzyme that helps digest fats. Its exact functions vary slightly depending on where in the body it is produced. The three different types of lipase are: Pharyngeal lipase, which is produced in the mouth and is most active in the stomach. Hepatic lipase, which is produced by the liver and regulates the level…

Barium Enema X-Ray

A well-lubricated enema tube is inserted gently into the rectum. Then barium contrast material is slowly put into the colon. At certain times, X-ray pictures called spot films are taken of different areas of the colon.

Technetium-Labeled Red Blood Cell Bleeding Scan

In a technetium-labeled red blood cell bleeding scan, blood is taken from you, and a small amount of radioactive material called technetium is added to the blood. The blood with the technetium is then injected back into your bloodstream. Red blood cells with the technetium attached to them accumulate at the location of…

Barium Swallow

Courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved. This person is drinking liquid barium before having a barium swallow study. The radiologist watches a video screen to follow the movement of the barium through the esophagus and to know when to take an X-ray picture.