What is colour doppler?

Updated: Jul 8, 2018

Colour Doppler is a noninvasive test used for visually detecting motion or blood flow using a color map and can be used to estimate the blood flow through your blood vessels. Duplex / Doppler ultrasound is one of the most highly operator-dependent imaging modalities, the accuracy of which completely depends on the person performing the scan.



Origin of the Name : Named after Christian Andreas Doppler


Christian Andreas Doppler (/ˈdɒplər/; German: [ˈdɔplɐ]; 29 November 1803 – 17 March 1853) was an Austrian mathematician and physicist. He is celebrated for his principle — known as the Doppler effect — that the observed frequency of a wave depends on the relative speed of the source and the observer. He used this concept to explain the color of binary stars.



A Doppler ultrasound may help diagnose many conditions, including:

  • Blood clots

  • Poorly functioning valves in your leg veins in cases of varicose veins and venous insufficiency

  • Heart valve defects and congenital heart disease. 2d -echo

  • A blocked artery (arterial occlusion)

  • Decreased blood circulation into your legs (peripheral artery disease)

  • Bulging arteries (aneurysms)

  • Narrowing of an artery, such as in your neck (carotid artery stenosis)

Colour doppler- Dr Ashish Sarode, Interventional Radiologist

Dr Ashish Sarode Carotid doppler

Doppler Performing consultant: Dr Ashish Sarode, Vascular and Interventional Radiologist.

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