What is the use of a Doppler ultrasound

There are multiple uses of a Doppler ultrasound as it helps with the clear diagnosis of many medical conditions of a pregnant lady such as blood clots, any poor workings of the leg veins or the valves, also helps with the detection of a blocked artery, the best place to buy an efficient Doppler machine in Surgitek, they can be contacted anytime from anywhere through the website for purchase as well as for any after-sale support.
http://www.surgitek.org/