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A Doppler ultrasound uses sound waves to produce images of blood moving through your circulatory system. The images show the direction and speed of blood as it flows through your arteries or veins. They also show blood flow through your heart.
A Doppler ultrasound can help check whether an issue such as a blockage is impeding blood flow. Doctors use the scans to diagnose a range of issues. Here, learn about the procedure, results, and...
A Doppler ultrasound can estimate how fast blood flows by measuring the rate of change in its pitch, also called frequency. A technician trained in ultrasound imaging, called a sonographer, performs the Doppler ultrasound.
A Doppler ultrasound is part of an echocardiogram, which is a test that shows the size and shape of your heart and how well it's pumping blood. The test can help diagnose many heart conditions, including: Narrowed and blocked arteries. Aneurysm, a bulge in the wall of artery.
A Doppler ultrasound is a test that uses high-frequency sound waves to measure the amount of blood flow through your arteries and veins, usually those that supply blood to your arms and legs.
A Doppler ultrasound can detect differences in pitch as blood cells move through your blood vessels. Then, it converts this sound data into a picture or graph. This lets doctors see how blood is flowing in the arteries and veins of your body.
It shows whether a pulse is present and whether there is blood flow to a limb. It can diagnose or help to manage conditions such as peripheral arterial disease (PAD) or diabetic foot ulcer. Compared with feeling the pulse with the fingertips, which can be unreliable, a hand-held Doppler test has far greater value.
Edit article. Citation, DOI, disclosures and article data. Doppler waveforms refer to the morphology of pulsatile blood flow velocity tracings on spectral Doppler ultrasound. Waveforms differ by the vascular bed (peripheral, cerebrovascular, and visceral circulations) and the presence of disease. Radiographic features. Ultrasound. Doppler.
Doppler ultrasound is a special kind of ultrasound. It can detect movement of blood through arteries and veins. Some ultrasound tests are called "duplex." Duplex means "two parts." A duplex ultrasound combines the Doppler ultrasound with the more common ultrasound. The combination can help the doctor see more clearly what's going on.
A Doppler ultrasound is a non-invasive test that can depict blood flow by bouncing high-frequency sound waves off of red blood cells to create images of blood vessels, tissues, and organs. Faintness or absence of sound may indicate an obstruction in the blood flow.