Color Duplex Ultrasound Scan:
The color duplex ultrasound scan gives the colored images of the structures of valves and veins, which helps the doctor identify any ambiguities and abnormalities in the veins, causing the backflow of blood into the lower body. This scan also helps measure the speed of blood flow, which is an indicator important for estimating the rate of blood pressure in the veins. In a color duplex ultrasound scanning, a beam of high-frequency sound waves to attain a picture of the veins in the lower body.