ankle-arm index


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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.
References in periodicals archive ?
Ankle-arm index as a predictor of CVD and mortality in the Cardiovascular Health Study: the Cardiovascular Health Study Group.
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).
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).