What is a VQ Lung Scan?

There are two main reasons to do this test:

1) To diagnose blood clots (pulmonary emboli) which is an URGENT test. Please call us as soon as you receive your referral.

2) Another reason we do a VQ scan is to look at how much function each part of your lung contributes as part of work-up before lung surgery. This is usually non-urgent.

How do I prepare for a VQ Lung Scan?

There are no preparations. Please bring along any previous chest X-rays.

What happens during a VQ Lung Scan?

For diagnosing blood clots– there are 2 parts: The first part, you will be asked to inhale a radioactive gas and a 15 minute picture is taken. For the second part we will give you a small injection of a radioactive tracer and we will take another 15 minute picture.

If the VQ scan is for assessment before lung surgery, the two parts of the test as described above are carried out on two separate days

Are there any side effects of a VQ Lung Scan?


How long does a VQ Lung Scan take?

45 mins to 1 hour

When can I expect the results of my VQ Lung Scan?

Results are usually ready within 45 minutes to 1 hour (unless advised otherwise by our doctor or technologist on the day).

Will there be any fees involved?

No, all our scans are bulk billed.

Please contact us with any questions you have.

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