Colour Doppler

A duplex ultrasound is a test to see how blood moves through your arteries and veins. The test combines traditional ultrasound with Doppler ultrasonography. Regular Ultrasound uses sound waves that are bounce off from blood vessels to create pictures. Doppler looks at how sound waves are reflected off from moving objects, such as blood.

There are different types of duplex ultrasound exams. Some include:

 
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