Your comfort is paramount to us here at DUC. That’s why make every effort to answer any question you might have about your scan or appointment. We have provided the answers to the questions we are most often asked below, but if you have a question which you cannot find the answer for here, please feel free to:
Call us on 02476 369 900, e-mail us at duc.ultrasound@nhs.net or Use our Online 'Ask a Question' form.
What is an ultrasound scan?
An ultrasound scan is a procedure that uses high frequency sound waves to create an image of an organ in the body. Ultrasound is very high frequency sound that cannot be heard by the human ear, but can be detected using a machine called an ultrasound scanner. The frequency of the sound waves is around ten million cycles per second (10MHz).
How does an ultrasound scan work?
High frequency sound waves, directed at your body, are able to pass through liquid and soft tissues, but not solid objects. When the ultrasound hits a dense or solid object, such as bile or a heart valve, it bounces back as an echo. Echoes of different strengths are reflected depending on the density of the object. A computer is used to translate the reflected ultrasound into an image.
What happens when you have a scan?
The patient is asked to lie down on a scanning table. During the examination cold gel is applied on the area to be examined. The gel allows the ultrasound probe, which produces the sound waves, to glide over the skin.
The gel is water soluble and will wipe off with tissue easily. You may prefer to wear loose clothing, which you can
easily move and adjust out of the way.
Do ultrasound scans hurt?
No, not at all. There will be a very slight feeling of pressure as the sensor presses against your skin to make a good contact. We even warm the gel with your comfort in mind!
Are ultrasound scans safe?
Yes, ultrasound scans are completely safe because they use sound waves to create a clear image of the inside of your body. They have none of the associated risk of x-rays for example, and no side effects.
When will I know the result?
The report will be posted to your GP usually on the next working day. Please make an appointment to see your doctor to discuss the result. The scan appointment is not a consultation.
What do I need to do before a scan?
It depends on the scan. Sometimes you need to drink 2 or so pints of water before your scan. This helps us get a good image by increasing the quality of the sensor’s contact with your skin and the contrast in the image that we look at.
How long does it take?
The scan itself takes about 20 minutes. You should allow around 40 minutes for your visit, and please be on time.
Is there parking nearby?
Car parking is available on site free of charge.
What happens if I will be late?
It is not possible to see patients if they are attending more then 15 minutes after their appointment time, as this would cause a long waiting time for other patients.
What happens if I will miss my appointment?
If a patient does not attend no further appointment will be provided. The GP will be informed. You would need to see your GP again to be re-referred.
How can you help us?
You may be asked to take deep breaths and hold it for a few moments. You may also be asked to change your position during the scan, such as turning on your side or lying flat on your stomach, to help get a better view.
For information about preparing for your ultrasound scan, please visit the scanning services pages
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