The cookie is used to store the user consent for the cookies in the category "Analytics". This cookie is set by GDPR Cookie Consent plugin. These cookies ensure basic functionalities and security features of the website, anonymously. If you would like to talk to us about our treatment packages or book a FREE no-obligation mini-consultation, please contact our friendly reception team who will be happy to help:Įmail us: cookies are absolutely essential for the website to function properly. Premier Veins offers a range of walk-in-walk-out treatments for varicose veins and thread veins. You should continue to take your usual medication, and you can eat and drink normally before the test. You don’t need to do anything to prepare for a duplex scan. A full and thorough examination usually takes 10 – 15 minutes. Your consultant will need to assess all of the veins in both of your legs. The procedure does not require an anaesthetic or the use of needles. The gel and probe may feel a little cold initially, but ultrasound does not cause any pain or pose any risks. You will be standing throughout the procedure, and your consultant will gently squeeze your calf to make blood flow through your leg veins. These echoes are transmitted back to the machine and converted into a black and white image on the monitor. The sound waves bounce off any structures within the body and return echoes to the probe. The ultrasound probe is then placed on the gel, and the machine sends ultrasound into the body through the probe. Your consultant first applies a gel to the skin at the point of examination. The procedure allows your consultant to locate any damaged valves that may be causing visible or hidden varicose veins and identify the most suitable treatment options. The National Institute for Health and Care Excellence (NICE) recommends using a duplex scan to “ confirm the diagnosis of varicose veins and the extent of truncal reflux, and to plan treatment for people with suspected primary or recurrent varicose veins”. Why do I need a duplex scan before leg vein removal? It bounces ultrasound off circulating red blood cells to show the direction and rate of blood flow within veins. Doppler UltrasoundĪ Doppler scan adds information to the B-mode image. In venous investigations, the B-mode technology within a duplex ultrasound shows the location of veins within the leg. It produces a black and white image of structures within the body. B-Mode Ultrasoundī-mode is the type of ultrasound that most people associate with pregnancy scans. How does it work?Ī duplex scan combines two ultrasound techniques: B-mode (also known as greyscale) and Doppler (named after the Austrian physicist Christian Doppler). What is a duplex scan?Ī duplex ultrasound scan is a non-invasive procedure that uses high-frequency sound waves (ultrasound) to examine the structure of your leg veins and the speed of blood flow within them. It explains why the procedure is necessary and what it involves. This article is for people who have been advised to have a duplex ultrasound scan as part of the consultation process for varicose vein or spider vein treatment.
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