# Duplex Doppler Scan SW11: Vascular Ultrasound for £340 with Same-Day Results
*Reviewed by our specialist vascular surgeon*
If you are experiencing leg pain, swelling, or visible varicose veins, a Duplex Doppler scan in SW11 is the gold standard for diagnosing underlying vascular issues. At SW11 Medical Clapham, we offer comprehensive vascular ultrasound scans for £340, providing you with same-day written results. Located conveniently at 45 Lavender Hill, London SW11 5QW, our clinic ensures that you receive a prompt, professional assessment without the long waiting times often associated with public healthcare. Whether you need to exclude deep vein thrombosis (DVT), assess venous reflux, or monitor arterial disease, our specialist vascular surgeon is here to provide expert care and peace of mind.
## What is a Duplex Doppler Ultrasound?
A Duplex Doppler ultrasound is a non-invasive, painless imaging test that combines two types of ultrasound technology to evaluate the blood flow through your arteries and veins. Traditional ultrasound uses sound waves to create images of the blood vessels, allowing the specialist to see their structure and identify any blockages or abnormalities. Doppler ultrasound, on the other hand, measures the speed and direction of blood flow by bouncing high-frequency sound waves off circulating red blood cells.
By combining these two techniques, a Duplex Doppler scan provides a comprehensive, real-time picture of your vascular health. It allows the specialist vascular surgeon to not only see the physical condition of the blood vessels but also understand how effectively blood is moving through them. This dual approach is crucial for accurately diagnosing a wide range of vascular conditions, from simple venous insufficiency to more complex arterial diseases. The procedure is entirely safe, involves no radiation, and requires no recovery time, making it an ideal diagnostic tool for patients of all ages.
## What Does a Duplex Doppler Scan Detect?
A Duplex Doppler scan is a highly versatile diagnostic tool used to detect and evaluate various vascular conditions. One of the most common uses is to assess venous reflux, which occurs when the valves in the veins fail to function properly, causing blood to flow backward and pool in the legs. This is the primary underlying cause of varicose veins and [thread veins](https://sw11clinic-clapham.co.uk/thread-veins-removal-clapham/). By identifying the exact location and severity of the reflux, the specialist can recommend the most effective treatment, such as [varicose veins EVLA](https://sw11clinic-clapham.co.uk/varicose-veins-treatment-clapham/).
Another critical application of the Duplex Doppler scan is the exclusion of deep vein thrombosis (DVT). DVT is a potentially life-threatening condition where a blood clot forms in a deep vein, usually in the leg. Symptoms can include sudden swelling, pain, and redness. A prompt ultrasound scan can quickly and accurately determine whether a clot is present, allowing for immediate medical intervention if necessary.
In addition to venous issues, the scan is also used to evaluate arterial disease. It can detect narrowing or blockages in the arteries that supply blood to the legs, a condition known as peripheral arterial disease (PAD). Furthermore, the scan is frequently used to assess the carotid arteries in the neck, which supply blood to the brain. Identifying blockages in these arteries is crucial for stroke prevention. Finally, the scan is an essential tool for aneurysm surveillance, allowing specialists to monitor the size and growth of an aneurysm (a bulge in the wall of a blood vessel) over time to prevent rupture.
## How the Appointment Works and Preparation
When you book a Duplex Doppler scan at SW11 Medical Clapham, you can expect a streamlined, patient-focused experience. The appointment typically lasts between 30 and 45 minutes, depending on the specific area being examined. Upon arrival at our clinic on Lavender Hill, you will be welcomed by our friendly staff and guided to the consultation room.
For most vascular ultrasound scans, there is no special preparation required. You can eat, drink, and take your regular medications as usual. However, we recommend wearing loose, comfortable clothing, as you may need to expose the area being examined, such as your legs or neck. In some cases, you may be asked to change into a clinic gown.
During the scan, you will be asked to lie down or stand, depending on the vessels being evaluated. The specialist will apply a clear, water-based gel to the skin over the area of interest. This gel helps the ultrasound transducer maintain secure contact with the body and eliminates air pockets that could block the sound waves. The transducer is then moved smoothly over the skin, capturing real-time images and blood flow data. You may hear a “whooshing” sound during the procedure, which is simply the Doppler machine translating the movement of your blood into an audible signal. The process is entirely painless and comfortable.
## £340 Including Same-Day Written Report
At SW11 Medical Clapham, we understand that waiting for medical results can be a stressful experience. That is why we are committed to providing prompt, efficient service. Our Duplex Doppler scan is priced at £340, and this fee includes a comprehensive, same-day written report.
Once the scan is complete, the specialist vascular surgeon will review the images and data immediately. You will not have to wait days or weeks to find out the results. The written report will detail the findings of the scan, including any abnormalities detected, such as venous reflux, blockages, or signs of DVT. This rapid turnaround ensures that if any treatment is required, it can be planned and initiated without unnecessary delay. If further consultation is needed to discuss treatment options, a vascular consultation with our specialist vascular surgeon is available for £180.
## Who Should Have a Duplex Doppler Scan?
A Duplex Doppler scan is recommended for individuals experiencing symptoms that suggest a vascular issue. If you have persistent leg pain, heaviness, or cramping, particularly after standing or walking, a scan can help determine if poor circulation is the cause. Unexplained swelling in the legs or ankles, especially if it occurs suddenly or is accompanied by redness and warmth, should be investigated promptly to rule out DVT.
Individuals with visible varicose veins or spider veins should also consider a scan. While these may seem like purely cosmetic issues, they are often a sign of underlying venous insufficiency. A scan will map the affected veins and guide the most appropriate treatment plan. Furthermore, patients with a history of smoking, diabetes, high blood pressure, or high cholesterol are at an increased risk of arterial disease and may benefit from a scan to assess the health of their arteries. If you have been advised to undergo aneurysm surveillance or need your carotid arteries checked due to a history of transient ischemic attacks (TIAs), a Duplex Doppler scan is the standard diagnostic procedure.
## NHS Referral Route vs Private Same-Day Scan
When considering a vascular ultrasound, patients often weigh the options between the NHS and private healthcare. While the NHS provides excellent care, access to non-emergency diagnostic scans can be subject to strict eligibility criteria and significant waiting times.
| Feature | NHS Referral Route | SW11 Medical Private Scan |
| :— | :— | :— |
| **Waiting Time** | Many months, often over a year in London | Same-day or short-turnaround appointments available |
| **Cost** | Free at the point of use | £340 |
| **Results** | Sent to GP, often taking weeks | Same-day written report provided directly to you |
| **Choice of Specialist** | Assigned by the hospital | Performed/reviewed by our specialist vascular surgeon |
| **Convenience** | Subject to hospital scheduling | Flexible booking at our Clapham clinic |
Choosing a private scan at SW11 Medical Clapham ensures that you receive a rapid, accurate diagnosis, allowing you to take control of your vascular health without the stress of prolonged waiting periods.
## Frequently Asked Questions
### Is a Duplex Doppler scan painful?
No, a Duplex Doppler scan is completely non-invasive and painless. You will only feel the smooth movement of the ultrasound transducer and the cool gel on your skin.
### How long does the ultrasound appointment take?
The appointment typically takes between 30 and 45 minutes, depending on the complexity of the scan and the specific blood vessels being examined.
### Do I need a GP referral to book a scan?
No, you do not need a GP referral to book a Duplex Doppler scan at SW11 Medical Clapham. You can contact us directly to schedule your appointment.
### Will I get the results on the same day?
Yes, the £340 fee includes a comprehensive written report that is provided to you on the same day as your scan, ensuring no unnecessary waiting or anxiety.
### Can the scan detect deep vein thrombosis (DVT)?
Yes, a Duplex Doppler scan is the gold standard for detecting or excluding deep vein thrombosis (DVT) quickly and accurately.
### What happens if the scan shows I need treatment?
If the scan identifies an issue that requires treatment, such as varicose veins, you can book a vascular consultation with our specialist vascular surgeon for £180 to discuss your options, such as EVLA or microsclerotherapy.
## Contact SW11 Medical Clapham
If you are experiencing vascular symptoms or require a routine surveillance scan, do not wait. Book your Duplex Doppler scan SW11 today for a prompt, professional assessment and same-day results.
**SW11 Medical Clapham**
45 Lavender Hill, London SW11 5QW
Phone: 020 7223 5114
Please note that all medical procedures carry risks, and we encourage a full assessment before proceeding with any treatment.