What is nuclear medicine?


What are some common uses of nuclear medicine?

Nuclear medicine images can assist the physician in viewing, monitoring or diagnosing:

  • tumors
  • blood flow and function of the heart
  • respiratory and blood-flow problems in the lungs
  • organ function – of the kidney, bowel, gallbladder and others

How should I prepare for this procedure?


What can I expect during this procedure?

Although imaging time can vary, the exam generally takes 20 to 45 minutes. A radiopharmaceutical, known as a tracer, is usually administered either intravenously or by mouth. What radiopharmaceutical is used and when is dependent upon the type of exam you’re having. For most nuclear scans, you will lie down on a table and a nuclear imaging camera will be used to capture the image of the area being examined. The camera is either suspended over or below the exam table or in a large donut-shaped machine similar to a CT scanner. While the images are being obtained, you must remain as still as possible. Most of the radioactivity is expelled out of your body in urine or stool. The rest simply disappears over time.

What will I experience during the procedure?

Although usually done with a small needle, some patients experience some minor discomfort from the intravenous injection or IV. Also, lying still on the examining table may be uncomfortable for some patients. You will hear low-level clicking or buzzing noises from the machine.

For more information on this topic, please visit www.Radiologyinfo.org.

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