WHAT IS A CAROTID DUPLEX?

 

A carotid duplex scan is a simple and painless test that combines two

types of ultrasound to look for blockages in your carotid arteries. An

ultrasound is a type of scan that uses sound waves to produce a picture of

the inside of your body. Your carotid arteries are located along both sides

of your neck. Blocked carotid arteries are a major risk factor for stroke.

 

The two types of ultrasound used in a carotid duplex scan are conventional

 ultrasound and Doppler ultrasound. Conventional, or B-mode, ultrasound

uses sound waves that bounce off blood vessels to provide a picture of

 the structure of your blood vessel. Doppler ultrasound uses sound waves

that track moving objects. This allows your doctor to see how your blood

is moving through your blood vessels.

 

Other names for a carotid duplex scan are:

 

carotid artery duplex scan

 

carotid ultrasound

 

vascular ultrasound

 

carotid artery Doppler sonography

 

Carotid artery disease is a major risk factor for stroke. The buildup of

cholesterol plaques in your carotid arteries can create blood clots. If

these clots break off, they can travel to your brain and cause a stroke.

 

The first symptom of carotid artery disease is often a stroke or ministroke.

 Some early warning symptoms of a stroke are:

 

weakness, numbness, or tingling on one side of your body or in your

arm or leg

 

an inability to move your arm or leg

 

an inability to speak clearly, or having garbled speech

 

an inability to see in one eye, or tunnel vision

 

See your doctor immediately if you experience any of these warning

signs, even if they go away. It could mean that you’ve had a stroke or

that you’re about to have one.

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