![]() Mayo Foundation for Medical Education and Research c1998–2019. Electrocardiogram (ECG or EKG): About 2019 Feb 27. Doppler ultrasound: What is it used for? 2016 Dec 17. Johns Hopkins Medicine: Health Library: Pelvic Ultrasound. These include sickle cell disease or preeclampsia, a type of high blood pressure that affects pregnant women. Your provider may suspect a problem if your unborn baby is smaller than it should be at this stage of pregnancy or if you have certain health problems. Are pregnant and your provider thinks you or your unborn baby might have a blood flow problem.Are being treated for a blood flow disorder.After a stroke, your health care provider may order a special kind of Doppler test, called transcranial Doppler, to check blood flow to the brain. You may also need a Doppler ultrasound if you: Swelling in your legs, feet, and/or abdomen.Change in color and/or shiny skin on your leg.Painful cramping in your hips or leg muscles when walking or climbing stairs.Symptoms of peripheral arterial disease (PAD) include: Some common blood flow conditions and symptoms are below. Symptoms vary depending on the condition causing the problem. You may need a Doppler ultrasound if you have symptoms of reduced blood flow or a heart disease. It allows for more accurate measurement of blood that flows at faster speeds. In this test, sound waves are sent and received continuously. Then a computer turns the images into a graph, as in spectral Doppler. This test uses standard ultrasound to take images of blood vessels and organs. It can help show how much of a blood vessel is blocked. This test shows blood flow information on a graph, rather than color pictures. ![]() But it cannot show the direction of blood flow, which can be important in some cases. It can provide more detail of blood flow than standard color Doppler. Power Doppler, a newer type of color Doppler.These colors show the speed and direction of blood flow in real time. This type of Doppler uses a computer to change sound waves into different colors. There are different types of Doppler ultrasound tests. A regular ultrasound also uses sound waves to create images of structures inside the body, but it can't show blood flow.ĭoppler ultrasound works by measuring sound waves that are reflected from moving objects, such as red blood cells. A Doppler ultrasound is an imaging test that uses sound waves to show blood moving through blood vessels.
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