ABI

ABI

Calculated Fields

In the ABI worksheet, the following fields are calculated automatically. These calculated values automatically update when any of the source values are changed.

 

Field

Source Values

Calculation Logic

ABI

Right and left brachial pressures,

Posterior Tib pressure and Dors Pedis pressure

MAX Ankle Pressure ÷ MAX Brachial Pressure

Note: MAX ankle pressure will use the higher pressure of the Posterior Tibial artery and Dorsalis Pedis artery. The higher of the two brachial pressures will be used.

Rest TBI

Right and left rest brachial pressure,

Toe pressure

Toe Pressure ÷ Brachial Pressure

Note: If acquiring pressures for Great toe, 2nd toe, etc, TBIs will calculate individually for each toe using pressure acquired in that toe. The higher of the two brachial pressures will be used.

 

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