ABI

Investigations

 

Perfusion Estimation

 

1. ABI

 

Method

- use doppler US & BP cuff

- systolic BP at ankle & arm

- ABI = Ankle / Brachial

 

Normal Range

.9 – 1.3

 

Measurement in DM

- may be falsely elevated due to calcification of media

- “trusted when low but not high”