![]() However, where the colour is red, this is an indication that blood flow in those areas is abnormal. Areas that come up coloured blue are areas where the blood is flowing through the veins as it should. the device overlays a series of colours that shows precisely where any blood issues are occurring. This is an enhanced form of Doppler ultrasound technology. ![]() The third step involves a colour-flow Duplex scan. These signals are processed, amplified and displayed to our consultants here at Centre for Surgery as an image. These alterations are what the Doppler picks up as signals. When ultrasound waves ‘bounce back’ off moving objects, which includes blood flow, the frequency of the wave is slightly altered. Doppler Ultrasound waves produce a sound that is inaudible to the human ear but allows the surgeon to ‘see’ where blood is not flowing correctly through the veins. The ‘Doppler wave’ technology that is used by the device assists the clinician to identify issues with blood flow within veins, using sound waves. This reveals just how blood moves through veins. The Duplex device next overlays the produced sound waves and colours over the original greyscale image. ![]() This scan looks very much like the type of scan used during a pregnancy ultrasound. The first step involves building a greyscale image that displays, in real-time, the structure of veins. There is a three-step process to the Duplex Ultrasound scan that we carry out here at Centre for Surgery, in central London: The innovative device provides everything that our clinicians and surgeons will need to assess a patient’s veins. This happens by using a deep vein scanning system – the system is completely portable and looks a little like a laptop.Ĭomparing varicose veins with healthy veins How does a Duplex Ultrasound scan work at Centre for Surgery?Ī Duplex Ultrasound scan for varicose veins creates images on the clinician’s screen that show just how the patient’s blood is moving their arteries and veins. The B-mode transducer (it can be thought of as being like a microphone) obtains an image of the vessel being studied.Ī Duplex scan gives clinicians and surgeons a much more comprehensive and detailed look at how the blood is flowing through varicose veins in a given patient. ![]() The term “duplex” refers to the fact that two modes of ultrasound are used: Doppler and B-mode. Varicose Veins Consultation What is a duplex ultrasound scan?Ī Duplex Ultrasound scan involves using high-frequency sound waves to look at the speed of blood flow, and the structure of the veins in the legs. This gives our clinicians the unique ability to diagnose any vein abnormalities in great detail. When deciding on the most suitable treatment option, patients at Centre for Surgery will undergo an ultrasound scan – specifically a ‘duplex ultrasound scan’. These vein treatment methods are known as ‘minimally invasive’, which makes them very easy to carry out and recover from. However, thanks to modern medical advances, of which there are several, there is a range of options available to varicose vein sufferers. In the United Kingdom, one in three adults will have developed varicose veins within their lifetime. ![]()
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