Definition: 'Ankle-brachial Index'
ankle-brachial index (ABI)Type: Term
1. 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.
The information shown above for ankle-brachial index is provided by Stedman's.
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