an·kle-bra·chi·al in·dex

(ABI) (ang'kel-brā'kē-ăl in'deks)

Objective measurement of arterial insufficiency based on the ratio of ankle systolic pressure to brachial systolic pressure. An ABI of 1.0 indicates absence of arterial insufficiency; an ABI of less than 0.50 indicates severe arterial insufficiency.
Synonym(s): ankle-arm index.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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References in periodicals archive

Ankle-arm index as a predictor of CVD and mortality in the Cardiovascular Health Study: the Cardiovascular Health Study Group.

Prevalence of peripheral vascular disease in chronic alcoholics as measured by ankle to brachial index

In one study of over 1700 participants, LEAD was assessed non-invasively by the ratio of the ankle to arm blood pressure, Ankle-Arm Index (AAI) also known as the Ankle-Brachial Index (ABI).

LEAD in older hypertensive adults

Perform an ankle-arm index (AAI, or ankle-brachial index) test to evaluate for peripheral artery disease (PAD) (strength of recommendation [SOR]: B, cohort studies).

How should you evaluate an asymptomatic patient with a femoral or iliac artery bruit?

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