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Body System
Digestive System - Laboratory Tests and Diagnostic Procedures
Term | Meaning |
---|---|
Abdominal computed tomography (CT scan) | A series of cross-sectional x-ray images that show abdominal organs |
Abdominal magnetic resonance imaging (MRI) | Magnetic and radio waves create images of abdominal organs and tissues in all thre planes of the body |
Abdominal ultrasound | Process of beaming sound waves into the abdomen to producec images of orans such as the gallbladder |
Barium tests | X-ray examinations using a liquid barium mixture to locate disorders of the gastrointestinal tract |
Cholangiography | X-ray examination of the bile ducts after the injection of contrast material through the liver or through a catheter from the mouth, esophagus, and stomach into the bile ducts |
Gastrointestinal endoscopy | Visual examination of the gastrointestinal tract with an endoscope |
Hemoccult test | Feces are placed on paper containing the chemical guaiac, which reacts with hidden (occult) blood. This is an important test for colon cancer screening |
Liver functions tests (LFTs) | Measurements of liver enzymes and other stubstances in the blood |
Stool culture | Feces are placed in a growth medium (culture) to test for microoraganisms, such as bacteria |