##  [Ankle–Brachial Index](/index.php/ankle-brachial-index) 

  ##  [Ankle–Brachial Index](https://health.quantumdictionary.io/ankle-brachial-index-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The ratio obtained by dividing the highest systolic blood pressure measured at the ankle by the highest systolic pressure measured at the brachial artery; used as a noninvasive screening index for peripheral arterial disease reflecting lower-limb arterial perfusion relative to central (brachial) pressure.