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Announcement: We’re excited to announce that our clinic is now accepting new patients!

Renal Artery Ultrasound

What Is a Renal Artery Ultrasound?

A renal artery ultrasound, also called a renal artery duplex, is a medical imaging technique that uses sound waves to examine the renal arteries. These arteries can become narrowed, potentially leading to hypertension and kidney failure. The ultrasound allows healthcare providers to evaluate blood flow and velocities in these arteries, as well as visualize the abdominal aorta to screen for abdominal aortic aneurysms.

How to Prepare for a Renal Artery Ultrasound?

Typically, no special preparation is required for a renal artery ultrasound, but your healthcare provider may give specific instructions based on your individual needs. Here are some general guidelines:

Why Is a Renal Artery Ultrasound Performed?

A Renal Artery Ultrasound, also called a renal artery duplex, is commonly performed in individuals with hypertension to evaluate the renal arteries. These arteries supply blood to the kidneys, and if they become narrowed due to stenosis or plaque buildup, it can result in high blood pressure. The ultrasound helps screen the condition of the arteries, identify any blockages or plaque accumulation that may cause narrowing, and assess for potential aneurysms in the abdominal aorta.

What to Expect During a Renal Artery Ultrasound?

The renal artery duplex scan uses an ultrasound probe to examine your kidneys and the arteries that supply blood to them. During the procedure, the technician will view the images on a computer screen. As the transducer is placed on your abdomen, you may feel some pressure, but the exam is painless and non-invasive. The procedure usually takes about 10 minutes to complete.

Follow-Up After a Renal Artery Ultrasound

Following the renal artery ultrasound, healthcare providers will review the images to assess the condition of the renal arteries, looking for any plaque or blockages, and evaluating the vessels’ integrity. Based on the results, further 3D imaging may be recommended. The exam might also uncover incidental findings, such as kidney cysts or stones, which may require further evaluation with a dedicated renal/kidney ultrasound. If necessary, you’ll be advised to follow up with a nephrologist or urologist.

Potential Risks of a Renal Artery Ultrasound

There are no known risks associated with renal artery ultrasound. It is a non-invasive, safe, and painless procedure that uses sound waves to create images of the renal arteries and kidneys. Unlike imaging tests that use radiation or contrast agents, this ultrasound does not involve exposure to harmful radiation or substances. It is considered a low-risk procedure, and any discomfort or pressure felt during the exam is temporary and typically subsides after the procedure.

Are There Any Related Tests to a Renal Artery Ultrasound?

Yes, there are several tests related to a renal artery ultrasound, including:

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