Frequently Asked Questions About Nuclear Medicine
Is it ok to be around children after my exam?
You should not be around babies or small children for the rest of the day because you do have residual radiation from your exam.
Are there any side effects from the injection?
On a very rare occasion a very small number of people have allergic reactions, but not routinely. A cardiologist is present if a situation arises.
What am I injected with?
For a treadmill stress test a nuclear imaging agent called Cardiolite. For a non-treadmill stress test, a vasodilator medicine called persantine.
How long will I be on the treadmill?
There is not a set time limit. You must reach 85% maximum heart rate.
Will I have to run on the treadmill?
Perhaps, but usually a fast walk is enough.
What does the treadmill show?
Your ekg response to exercise. This includes your blood pressure and heart rate response.
Who reads the results and how do I get them?
A cardiologist interprets the stress test and a nuclear medicine radiologist reads the scan. You are able to obtain your results from your referring physician.
Why do I have to stop caffeine?
Caffeine affects your heart rate and the blood flow to your heart.
Are caffeine free beverages included?
Even some caffeine free beverages have some trace of caffeine in them so they are not allowed.
How long does the injection stay in my system?
The nuclear imaging agent is out of your system within 24 hours.
What if I cannot walk on the treadmill?
There is a medication called persantine
that will be injected into you. This medication stimulates exercise to the heart without having to go on the treadmill.
Will I be able to drive after?
You should be able to drive unless you have a rare reaction.
Will I be able to go to work after?
Yes you will be able to resume your normal activities after your exam.
Why does the exam take so long?
There are three parts to the test, a resting scan, a stress test and a stress scan. There are waiting times between injections and the stress test.
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