Diagnostics·Diagnostics
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A circulation screening test checks for problems with blood flow in your legs or other parts of your body. It is a painless, non-invasive test that usually requires very little preparation. This article explains what you need to know to get ready.
Key facts
This test is commonly used to screen for peripheral arterial disease (PAD), a condition that affects millions of people worldwide.
It is often recommended for people who are over 50, smoke, have diabetes, high blood pressure, high cholesterol, or a family history of circulation problems.
The main screening test is called the ankle-brachial index (ABI). Your doctor measures your blood pressure in your ankle and your arm using a small ultrasound device. The results are compared to see if there is a blockage.
You will lie on a table while a technician places blood pressure cuffs on your arms and ankles. They will take measurements at rest and sometimes after a short walk. The test is painless and takes about 15 minutes.
If the test shows reduced blood flow, your doctor will talk to you about managing your risk factors and improving your circulation.
Your doctor may recommend medicines to lower your cholesterol, control blood pressure, or prevent blood clots. Always take medicines as prescribed.
In more serious cases, a procedure such as angioplasty (opening a blocked artery with a small balloon) or bypass surgery may be needed. Your specialist will explain the options.
If you have circulation problems, it's important to take good care of your feet – check them daily for sores or changes in colour. Wear comfortable shoes and keep your feet clean and dry.
A diet rich in fruits, vegetables, whole grains, and lean proteins can help control risk factors. Aim for at least 30 minutes of moderate activity most days.
Living with a chronic condition can be stressful. It's normal to feel worried or frustrated. Talk to your doctor or a counsellor if you need support.
You cannot always prevent circulation problems, but you can lower your risk by making healthy lifestyle choices.
Regular circulation screening tests can help find problems early, especially if you have risk factors. Talk to your doctor about how often you should be tested.
With early detection and proper management, most people with circulation problems can lead full, active lives. Treatment can greatly improve symptoms and reduce the risk of serious complications.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 16, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.