Ankle–Brachial Index
NOTE: Use to identify presence of peripheral artery disease in lower extremities.
Ankle–Brachial Index Calculator
A–BI = SA ÷ SB
Enter values for systolic pressure at:
The ankle: mm/Hg
The brachial artery: mm/Hg
Click 'Calculate' button.
Ankle–brachial index:  
Calculate Ankle-Brachial Index.
Clear all levels.
Interpretation