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Return times given after your injection,
for blood samples:
Please complete your appointment details FROM YOUR APPOINTMENT LETTER and bring this leaflet with you.
What is ‘nuclear medicine?’
Nuclear medicine refers to the medical use of radioactive tracers for the diagnosis and sometimes treatment, of medical conditions.
Nuclear medicine tests are helpful to diagnose a wide variety of illnesses. The clinician that referred you to nuclear medicine will have already explained to you the reasons for having this test.
This leaflet is to explain your test and provide you with some general information. The procedure will be fully explained to you when you attend. We are happy to provide additional information before hand and our contact details are on the back of this leaflet.
Benefits of nuclear medicine tests and are they dangerous?
Nuclear medicine procedures are commonly used diagnostic tools that utilise ionising radiation to obtain important clinical information.
There are small risks associated with the use of ionising radiation. Ionising radiation can cause cell damage that can, after many years or decades, contribute to the development of cancerous cells. This procedure carries only a very small chance of this happening to you.
Your doctor will have considered the risk and benefits of having the test before referring you to us. The benefits of the test outweigh the potential risk.
Will it hurt?
No more than a blood test. There are no side effects from the tracer injection, and no restrictions following the test. You will be able to continue with your usual daily activities.
What is a GFR study?
This study is used to see how well your kidneys are working by analysing your blood samples.
Do I need to prepare for the test?
No. You may eat and drink normally before the test, and continue taking any medication.
Please dress in loose sleeved clothing to allow easy access to the veins in your arms.
How is the test carried out?
- Your height and weight will be measured on arrival.
- You will be given a small injection of a radioactive tracer, into a vein in your arm. If you have had any recent Nuclear Medicine tests it may be necessary to take a blood sample straight away.
- Blood samples will be taken at 2, 3 and 4 hours after the injection.
- When you arrive back for the first blood sample a cannula (a small flexible tube) will be inserted into a vein in your arm.
How long will the test take?
Up to five hours may be required. You may leave the department between the injection and blood samples; however you must remember to return on time for your blood samples to be taken.
What if I am pregnant or breastfeeding?
It is usual to avoid radioactive tests during pregnancy. Small amounts of some radioactive substances may appear in breast milk. Patients who are breast feeding and those that know, or suspect that they are pregnant should contact the department before attending to discuss this further and should also inform the department upon arrival.
What happens after the test?
You are free to go home or return to your ward. There are no restrictions following this test. Your results will be reported and available from your referring clinician/ team or GP within 3 weeks after your appointment.
Due to the small size of the waiting area in Nuclear Medicine we ask that you please limit the number of people accompanying you for your visit.
Please be aware that most airports have sensitive radiation monitors which detect very small amounts of radiation and may detect a residue trace from your test. We advise you keep and travel with your appointment letter if you are travelling within the next few days.
How to find/contact the department:
The Nuclear Medicine department is located on level 3, in the outpatient end of the hospital. If you have any queries or cannot make your appointment please contact the department as soon as possible on 01223 217145.
We are smoke-free
Smoking is not allowed anywhere on the hospital campus. For advice and support in quitting, contact your GP or the free NHS stop smoking helpline on 0800 169 0 169.
Help accessing this information in other formats is available. To find out more about the services we provide, please visit our patient information help page (see link below) or telephone 01223 256998. www.cuh.nhs.uk/contact-us/accessible-information/
Cambridge University Hospitals
NHS Foundation Trust
Hills Road, Cambridge
Telephone +44 (0)1223 245151