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HomeAnkle-Brachial Index (ABI) / Lower Extremity Arterial (LEA) Ultrasound

Ankle-Brachial Index (ABI) / Lower Extremity Arterial (LEA) Ultrasound

The ankle-brachial index test is a simple, noninvasive test to diagnose peripheral artery disease (PAD). The PAD causes narrowed arteries to diminish the blood circulation to your limbs. PAD causes leg pain when walking, and increases the risk of heart attack and stroke. The ankle-brachial index test compares the blood pressure measured at your ankle with the blood pressure measured at your arm. An abnormal ankle-brachial index number can indicate narrowing or blockage of the arteries in your legs. Further assessment of PAD in the legs or arms can also be performed using ultrasound.

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