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What a Primary Care Doctor Looks for in a Carotid Doppler
What a Primary Care Doctor Looks for in a Carotid Doppler
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February 06/2026

A Carotid Doppler is a medical exam that uses a vascular ultrasound to check the blood circulation to the brain and face. Primary care doctors often recommend this test when they suspect narrowing of the arteries in the neck, helping them determine the extent of the problem. At Southern Maryland Medical Group, we usually order a Carotid Doppler test after a TIA (transient ischemic attack) or a stroke. Additionally, our physicians may also use this test to determine vascular health, or before undergoing open-heart surgery.

During a Carotid Doppler test, sound waves are used to produce images of a patient’s arteries. These sound waves bounce off the arteries, allowing primary care doctor in Riverdale, MDs to calculate their speed. Ultrasound results are recorded and displayed on a computer screen, ensuring a comprehensive analysis and an accurate diagnosis. It is essential to note that a Carotid Doppler test is completely painless and does not have any side effects associated with radioactivity.

How to Prepare for Your Test

Before the actual test, your physician will recommend that you eat and drink as normal, as well as take all your medication. Although the procedure is not invasive, you can bring someone with you, whether it is a friend or a relative. A Carotid Doppler test is designed to send sound waves around the neck, so wear loose-fitting clothes to allow easy access. If necessary, your physician may ask you to change into a hospital gown and remove all jewelry. This phase of the preparation also allows you to ask questions and raise concerns you may have for peace of mind.

During the Appointment

A Carotid Doppler test is not only performed by primary care doctors but also by sonographers. A sonographer is a medical specialist in ultrasound, but they are not doctors. This means that they cannot provide information about your results, and you will have to wait until you see a physician. Before undergoing the test, inquire whether it will be done by your primary care doctor or a sonographer for peace of mind.

At the appointment, a small amount of gel is applied to the ultrasound probe before it is placed on the neck and gently moved in different positions. This enables the physician or sonographer to see clear images of arteries in the neck and measure blood flow from various angles. During the actual test, expect to hear sounds emanating from the machine, which represent the flow of blood through the arteries in your neck. The entire test usually takes approximately 30-40 minutes, allowing you to resume daily activities as soon as possible.

After your Carotid Doppler test, you can get dressed and head out without worrying about limitations. Most patients carry on as usual and do not require help driving to and from their appointments. However, this does not mean that you are out of danger, especially in the case of severe underlying conditions. If you experience discomfort before, during, or after your test, inform the physician to diagnose the symptoms and determine the best course of action.

Book Your Appointment Today

If the test is done by a sonographer, the results will be sent to your primary care physician (PCP) for interpretation. You may be given the results of your Carotid Doppler test during your next appointment, or via the phone if there is no need for an in-office consultation.

Contact us today at Southern Maryland Medical Group to book an appointment with our primary care doctors to learn more about preventive care and the tests we provide. Don’t wait until minor health issues escalate into bigger and life-threatening complications. Take a proactive approach toward improving your health and book your Carotid Doppler today.

Our Locations

Southern Maryland Medical Group has 3 convenient locations to provide professional medical care services in the Southern Maryland area. Call or schedule an appointment with one of our locations to get medical care help. 

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Camp Springs, MD

5801 Allentown Road, Suite 400 Camp Spring, MD 20746

Phone: 301-868- 0150

Billing Inquiries: 301-552-1270

Fax: 301-868-0243

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Greenbelt, MD

7500 Greenway Center, Dr #1200 Greenbelt, MD 20770

Phone: 301-486-7580

Billing Inquiries: 301-552-1270

Fax: 301-486-7581

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Riverdale, MD

6510 Kenilworth Ave, Ste 1400, Riverdale MD 20737

Phone: 301-618-0771

Billing Inquiries: 301-552-1270

Fax: 301-618-0772