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Contrast Studies
Radiography for Veterinary Technicians
Question | Answer |
---|---|
What is a myelography used to evaluate? | Spinal cord |
What is the positive contrast compound that is not diluted by secretion or absorbed through the intestine? | Barium sulfate |
What is the radiographic contrast study of the kidney structure and collection systems? | Excretory urogram |
Which contrast agent do you use if the veterinarian suspects a perforation of the small bowel in the patient? | Triiodinated compound |
What structures does an upper GI (UGI) study evaluate? | Esophagus and stomach |
Name a positive contrast agent. | Barium |
What is an important precaution when giving an oral contrast medium? | preventing aspiration into the lungs |
What is the best radiograph contrast procedure to assess the urinary bladder mucosa? | Double-contrast cystography |
What contrast media should be used to visualize a radiolucent bladder stone? | Ionic organic iodides |
Double contrast imaging is usually performed on which organ? | Urinary bladder |
What is contrast media used for? | Used in conjunction with radiology, for a closer look at the GI system, urogenital system, and spinal cord |
List the 4 types of commonly used contrast agents in veterinary radiology. | soluble ionic radiopaque mediums, soluble nonionic radiopaque mediums, insoluble inert radiopaque mediums, and radiolucent gases |
What contrasts are commonly used for studies involving the spinal cord or respiratory tract? | positive contrast agent nonionic radiopaque agents |
What contrast agents are included in the insoluble inert group? | barium sulfate & barium impregnated polyethylene sphere (BIPS) |
Name the types of radiolucent gases. | air, oxygen, carbon dioxide, and nitrous oxide |
What is a double contrast study? | A study that uses both a positive and negative agent to evaluate organs |
When is myelography used? | Myelography is used when MRI and CT are unavailable |