Noble Imaging And Diagnostics

Colour Doppler

Colour Doppler is a special type of ultrasound that uses sound waves to visualize blood flow through arteries and veins. Unlike standard ultrasound, which only shows the structure of tissues and organs, Colour Doppler adds color to the image to show the speed and direction of blood flow. This makes it easier for doctors to assess circulation and detect any abnormalities in real time.
we offer advanced Colour Doppler Ultrasound services to help evaluate blood flow and detect vascular conditions with precision. This non-invasive imaging test plays an essential role in diagnosing and monitoring many health issues related to blood vessels.
Color Doppler Ultrasound In Nagpur

Types of Colour Doppler Ultrasound

There are several types of Colour Doppler exams, depending on the body part being evaluated:

  • Arterial Doppler – Checks blood flow in arteries (commonly in the legs, arms, or neck)

  • Venous Doppler – Assesses blood flow in veins, often used to detect deep vein thrombosis (DVT)

  • Carotid Doppler – Examines the carotid arteries in the neck for blockages or narrowing

  • Renal Doppler – Evaluates blood flow in the kidneys

  • Obstetric Doppler – Monitors blood flow in the umbilical cord, placenta, and fetus during pregnancy

What are some common uses of the procedure?

Colour Doppler is commonly used to:

  • Detect blood clots or deep vein thrombosis (DVT)

  • Identify blocked or narrowed arteries

  • Monitor blood flow to organs and tissues

  • Evaluate varicose veins

  • Assess circulation in the fetus and placenta during pregnancy

  • Check for arterial narrowing after surgery or stenting

  • Examine blood flow in transplanted organs

How do I prepare for my Colour Doppler?

In most cases, no special preparation is needed. For certain exams like abdominal or renal Doppler, you may be asked to fast for 6–8 hours before the test. Wear comfortable, loose-fitting clothes and avoid wearing jewelry over the area being examined. Our team will provide specific instructions when you book your appointment.

What will happen during my Colour Doppler?

During the exam:

  • You will lie comfortably on an exam table.

  • A warm gel will be applied to your skin over the area being examined.

  • The sonographer will gently move a handheld device (transducer) over the area.

  • You may hear a “whooshing” sound as the device detects blood flow.

  • The test typically lasts 20–45 minutes, depending on the area being scanned.

The procedure is completely painless, non-invasive, and does not use any radiation.

What are the reasons for a Colour Doppler?

Doctors may recommend a Colour Doppler if you have:

  • Swelling, pain, or tenderness in your legs

  • Suspected blood clots or varicose veins

  • Stroke symptoms or carotid artery disease

  • Poor circulation or leg ulcers

  • Pregnancy complications

  • Abnormal kidney function

  • Follow-up after vascular surgery or stenting

Why is Colour Doppler used?

Colour Doppler is used because it provides crucial information about blood flow and vascular health that cannot be seen on regular ultrasound. It helps doctors detect blockages, measure blood flow, assess the severity of vascular diseases, and plan appropriate treatment. In pregnancy, it plays a vital role in monitoring the health of the baby and placenta.
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