About This Test
A carotid Doppler ultrasound is a noninvasive diagnostic procedure. Doctors use it to see the carotid arteries (blood vessels in the neck). These images help them monitor the speed and amount of blood flow through those arteries to the brain.
Ultrasound (sound waves) images can identify blockages or other problems that could lead to stroke.
What to expect during a carotid ultrasound
You do not need to do any special preparation before a carotid Doppler ultrasound. Eat or drink as you normally do. If you take medications, continue to do so unless your doctor says otherwise.
During the ultrasound:
- Your vascular sonographer (ultrasound specialist) asks you about your related medical history and takes your blood pressure.
- You lie on your back for the entire procedure.
- Your sonographer places a small amount of ultrasound conductivity gel on the ultrasound probe and places the probe gently against the side of your neck.
- Your sonographer gets needed images and measurements and then repeats the procedure on the other side of your neck.
- Your test lasts 35 to 45 minutes. After the test, you can leave without any restrictions.
You will not receive your results at the time of the examination. A cardiologist will interpret the test results and provide your doctor with a written report. Your primary care physician (or the provider who ordered the study) will typically share results with you within a week.
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