The sound waves bounce off of moving blood cells in blood vessels and go back to the probe to be detected. The ultrasound probe sends sound waves into your body. Evaluate blood supply to a transplant organ (like your kidney, liver or pancreas).Blood clots, including deep vein thrombosis (DVT).Providers use Doppler ultrasound to diagnose: What conditions can Doppler ultrasound help diagnose? Assess blood flow between a woman and her unborn baby during pregnancy.Check blood flow after you have surgery or get certain treatments.Diagnose disorders that affect blood vessels in your abdomen (belly), legs or arms.Healthcare providers use Doppler ultrasound to: Transcranial Doppler ultrasound: A transcranial Doppler ultrasound examines blood flow in your brain to detect strokes or subarachnoid hemorrhages.Providers may use power Doppler to study blood flow inside organs. It doesn’t show the direction of blood flow. Power Doppler: This test is used to shows the presence of blood flow and can be used to show very slow blood flow.It can check the width of blood vessels and can help show blockages. Duplex ultrasound: Combines traditional ultrasound pictures with Doppler ultrasound.Spectral Doppler: Graphical representation of blood flow over time.Color Doppler: A computer changes the sound waves into different colors to show the direction of blood flow. The different types of Doppler ultrasounds include: A standard ultrasound produces images, but it doesn’t show blood flow like a Doppler ultrasound. Ultrasound, also called sonography or ultrasonography, is a noninvasive imaging test. What are the types of Doppler ultrasounds? Results from a Doppler ultrasound help healthcare providers identify problems with your heart and blood vessels. They also show blood flow through your heart. The images show the direction and speed of blood as it flows through your arteries or veins. A Doppler ultrasound uses sound waves to produce images of blood moving through your circulatory system.
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