How To Prepare
Stop taking medicines and herbal remedies 24 hours before you have
this test. If you take insulin to control diabetes, you may need to take less
than your normal dose. Talk with your doctor about how much insulin you should
take.
Do not smoke or drink caffeine or alcohol for 24 hours before this
test.
Do not eat or drink for 8 hours before this test.
Tell your doctor if you are or might be pregnant or if you are
breast-feeding.
Tell your doctor if you have a fear of enclosed spaces or have ever
had a panic attack.
You may be asked to sign a consent form for this test. Talk to your
doctor about any concerns you have regarding the need for the test, its risks,
how it will be done or what the results mean. To help you understand the
importance of this test, fill out the
medical test
information form
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