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...

Alanine Aminotransferase (ALT)

An alanine aminotransferase (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller amounts in the kidneys , heart, muscles, and pancreas . ALT was formerly called serum glutamic pyruvic transaminase (SGPT). ALT is measured to see if the liver is damaged or…

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.

Normal Barium Enema

Courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved. This image shows a normal colon filled with barium. The barium shows up as white on the image. The arrows point to the normal curves 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…