ABI Calculator
Ankle Brachial Index - Peripheral Artery Disease Assessment
Note: ABI (Ankle Brachial Index) is used to assess peripheral artery disease by comparing
blood pressure in the ankle to blood pressure in the arm. Clinical judgment should always be used.
Right ABI
-
Left ABI
-
Overall ABI
-
Interpretation
-
Clinical Significance
-
ABI Reference Ranges
Normal: 0.90-1.30
Borderline: 0.80-0.89
Mild PAD: 0.70-0.79
Moderate PAD: 0.50-0.69
Severe PAD: < 0.50
Non-compressible: > 1.30
Borderline: 0.80-0.89
Mild PAD: 0.70-0.79
Moderate PAD: 0.50-0.69
Severe PAD: < 0.50
Non-compressible: > 1.30
Clinical Recommendations
Enter blood pressure measurements and click calculate to see recommendations.
Important: This calculator provides interpretation assistance only.
Clinical decisions should be based on comprehensive vascular assessment, including
symptoms, physical examination, and other diagnostic tests. Always consult with
vascular specialists for proper diagnosis and treatment.