What is Color Doppler?
Color Doppler is a special ultrasound technique, which allows us to evaluate blood vessels.

What is the principle?
Using the Doppler principle of changing pitch with velocity, ultrasound waves that reflect from the red blood corpuscles in arteries and veins are evaluated for velocity and amplitude and color maps of the vessels can be generated.

Is special equipment required?
An ultrasound machine equipped with color Doppler facilities is required. These are now readily available at many centers.

What is its utility?
Color Doppler is very useful in evaluating the carotid arteries in the neck, the heart (echocardiography), the arteries and veins in the abdomen and the arteries and veins in the upper and lower limbs.

What is power Doppler?
It is a type of color Doppler.

Is any special preparation required?
No

What is the cost?
Between Rs 1000 and 2000.

Who is qualified to perform color Doppler?
A qualified radiologist is the only one who should perform color Doppler examinations of the vessels in the body.

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