An arterial Doppler test uses ultrasound to assess blood flow in peripheral arteries. It detects narrowed or blocked vessels, peripheral arterial disease, reduced circulation to limbs, arterial clots or graft problems, and helps guide treatment decisions and monitoring. The noninvasive exam measures flow speed and waveform patterns, often combined with ankle‑brachial index calculations to quantify severity and plan interventions.

A limb Doppler ultrasound evaluates blood flow in the arteries and veins of the arms or legs. It detects blockages, narrowing (peripheral arterial disease), blood clots (deep vein thrombosis), and venous insufficiency, maps vessels before surgery or bypass grafting, checks pulses when handheld signals are weak, and monitors treatment or graft patency. It’s noninvasive and guides diagnosis and management.

Arterial Doppler for legs typically ranges from free under public healthcare to about $150–$1,200 privately, or roughly ₹800–₹5,000 in India. Final cost depends on country, facility type (hospital vs clinic), whether consultation or extra tests are included, and insurance coverage. Contact the imaging center or your insurer for the exact price and any out‑of‑pocket fees.

A positive Doppler ultrasound usually means reduced or absent blood flow—commonly indicating a blood clot (deep vein thrombosis) or significant vascular blockage. Next steps include confirmatory imaging, blood tests, and prompt treatment such as anticoagulant medication, possible hospitalization if severe, and specialist referral. Follow-up monitoring, risk-factor management and sometimes procedures (thrombolysis or surgery) may be recommended depending on severity.

An arterial Doppler (peripheral arterial ultrasound) typically takes about 15–45 minutes. Simple exams may finish within 15–30 minutes; more comprehensive studies, multiple limbs, or added measurements (segmental pressures, waveform analysis) can extend to about 60 minutes. Allow extra time for registration, positioning, and a brief discussion of results with the clinician.

Doppler ultrasound evaluates blood flow and can detect abnormal or reduced flow in peripheral or carotid arteries and assess valve function. However, it cannot reliably detect coronary (heart) artery blockages. Diagnosis of coronary blockages typically requires coronary angiography, CT coronary angiography, or functional stress testing. Doppler findings may prompt further cardiac imaging if blockages are suspected.