Expected duration
30-45 minutes
Preparation
Usually no special preparation
Report
As arranged
Comfort
Usually well tolerated
What is Lower-Limb Arterial Duplex?
Lower-limb arterial duplex uses ultrasound to examine the arteries of the legs and assess blood-flow patterns.
The examination may identify narrowing, blockage, or other arterial changes that could help explain symptoms or guide follow-up.
Common Reasons for Referral
- Leg pain or cramping with walking
- Numbness or weakness with concern about circulation
- A cold, pale, or discolored foot or leg
- Skin color or temperature changes
- A wound on the foot or leg that is slow to heal
- Weak pulses or another clinician-defined arterial concern
What Happens During the Examination
- 1You lie on an examination table with the legs accessible
- 2Blood-pressure cuffs may be used when part of the requested protocol
- 3Ultrasound gel is applied along the leg
- 4The transducer follows the arteries from the groin toward the ankle
- 5Images, waveforms, and blood-flow measurements are recorded
Frequently Asked Questions
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