What is Color Doppler Test?

A Doppler ultrasound is a noninvasive test that can be used to estimate the blood flow through your blood vessels by bouncing high-frequency sound waves (ultrasound) off circulating red blood cells. A regular ultrasound uses sound waves to produce images, but can’t show blood flow.

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A Doppler ultrasound test may also help your doctor check for injuries to your arteries or to monitor certain treatments to your veins and arteries.

If you have one or more of the conditions listed below, based on the need your doctor may suggest you to undergo color Doppler test. The conditions are as follows:

Blood clots.

See how blood flows after a treatment.

If arteries have bulging.

Blood flow problems with Liver, Spleen, kidney, pancreas

Narrowing of arteries

Poorly functioning valves in leg veins, which causes blood or other fluids to pool in the legs (also known as venous insufficiency).

A heart valve defect or a congenital defect

Decreased blood supply in the legs ( Peripheral Artery Disease )

Before the test, you will be told not to eat or drink anything 6 to 12 hours before the test. For pelvic ultrasound for women, the will be told to drink 32 ounces of water 1 hour before the test. As you come for the test, a gel will be applied on the part where Doppler test is to be out. This helps the sound waves to travel through the skin & the organs and bounce off the blood cells. This procedure normally gets done in 30 to 60 mins. The results also become available quickly. In this way, the Doppler test is no invasive and painless.