ABI Worksheet
Right Arm:
Systolic PressuremmHg
Right Ankle:
PTmmHg
DPmmHg
Left Ankle:
PTmmHg
DPmmHg
Left Arm:
Systolic PressuremmHg
Ankle-Brachial Index Interpretation
Above 0.90: Normal
0.71 - 0.90: Mild Obstruction
0.41 - 0.70: Moderate Obstruction
0.00 - 0.40: Severe Obstruction
Right ABI equals Ratio of:
Higher of the Right Ankle Pressures (PT or DP)mmHg
Higher Arm Pressure (right or left arm)mmHg
ABI =
Left ABI equals Ratio of:
Higher of the Left Ankle Pressures (PT or DP)mmHg
Higher Arm Pressure (right or left arm)mmHg
ABI =
* The lower of these numbers is the patient's overall ABI.
Overall ABI (lower ABI) =
CorVascular