St Vincent's Clinic Medical Imaging & Nuclear Medicine
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CSF Shunt Study

A CSF Shunt study is used to evaluate ventricular shunt patency and function.

What will happen when you have your CSF Shunt Study

There are two main parts to your CSF Shunt Study:

  1. A small injection of a radioactive tracer will be injected into the shunt reservoir. This injection is sterile, has no side effects and   shouldn't interfere with any medication you are taking. After the injection images will be taken for approximately 45 minutes. You will then be asked to wait 1 hour before the next set of images. During this time you may eat and drink as normal.
  2. On your return to the Nuclear Medicine department you will be asked to lie on the scanning table and more images will be  acquired. This will take approximately 30 minutes. You may be required to return a further 1-2 hours after this set of images, and possibly undertake a further 30min of images. During the wait you may eat and drink as normal.

What you need to do and how to prepare for the test

You will not be required to undress for the scan. The scan is performed with the Gamma Camera close to your body but you do not go through a “tunnel”

  • You will need a referral from your doctor
  • You will need an appointment for this test
  • Please inform booking staff if you are or think you may be pregnant or are breastfeeding
  • You can eat and drink normally before the test
  • You can take your medications as normal
  • You will be in the department for approximately 45 minutes for the first part of the test and 30 minutes for the second part of the test
  • Please bring any previous relevant X-rays or scans to your appointment
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