Lower Extremity Arterial Doppler in New Jersey
Lower extremity arterial Doppler ultrasound is a highly accurate, non-invasive method for evaluating blood flow through the arteries of the legs. At Cross County Cardiology, we use this study to diagnose and monitor peripheral arterial disease (PAD), assess patients with leg pain or non-healing wounds, and guide treatment decisions — all without catheters, contrast agents, or radiation.
What Is a Lower Extremity Arterial Doppler?
This study uses duplex ultrasound technology — combining real-time B-mode imaging with color and spectral Doppler analysis — to examine the arteries of the lower extremities from the aortoiliac segment at the pelvis through the femoral, popliteal, and tibial vessels of the lower leg and foot. The examination maps arterial anatomy, detects stenosis (narrowing) and occlusion (blockage), measures flow velocities, and assesses collateral circulation.
The study is performed by experienced vascular sonographers and interpreted by board-certified physicians. It is painless and generally requires 45–60 minutes to complete a bilateral examination.
Why Is This Test Ordered?
Lower extremity arterial Doppler is recommended for patients with:
- Claudication: leg pain, cramping, or fatigue in the calf, thigh, or buttock that occurs with walking and resolves with rest — the classic symptom of arterial insufficiency
- Rest pain: persistent burning or aching in the feet and toes at rest, particularly at night — indicating more advanced ischemia
- Non-healing wounds or ulcers on the feet, heels, or lower legs
- Cool, pale, or discolored extremities suggesting reduced arterial perfusion
- Abnormal ABI findings requiring further localization of disease
- Diabetes with lower extremity complications — diabetics are at markedly elevated risk for arterial disease and its complications
- Pre- or post-procedural assessment following endovascular intervention or bypass surgery
What the Study Evaluates
Disease Localization
Unlike the ABI, which provides a global measure of leg perfusion, lower extremity arterial duplex precisely localizes the level and extent of disease — identifying whether stenosis or occlusion is in the aortoiliac, femoral, popliteal, or tibial distribution. This guides treatment planning, including the appropriateness and approach for endovascular intervention or surgical bypass.
Disease Severity
Flow velocity measurements at multiple levels are used to classify stenoses as mild, moderate, hemodynamically significant (≥50% diameter reduction), or occluded. Waveform analysis (monophasic vs. triphasic) provides additional functional information about the overall quality of arterial inflow.
Post-Intervention Surveillance
Following angioplasty, stenting, or bypass grafting of the lower extremity arteries, duplex surveillance at regular intervals is recommended to detect restenosis, graft stenosis, or progression of disease in native vessels — enabling timely reintervention before vessel failure occurs.
Interpretation and Next Steps
Results are reviewed directly by your cardiologist and discussed with you at your follow-up visit or by phone if results are abnormal. Depending on findings, next steps may include medical management intensification, referral for cross-sectional imaging (CT angiography), or vascular surgery consultation for revascularization planning.
Schedule Your Lower Extremity Doppler in New Jersey
If you are experiencing leg pain with walking, slow-healing wounds, or any other symptoms of vascular disease, timely evaluation is essential. Contact Cross County Cardiology at (551) 373-9007 to schedule a lower extremity arterial Doppler study at one of our five locations across Hudson and Bergen County, New Jersey.
