The correct answer is 4. The ankle-brachial index (ABI) is a non-invasive diagnostic test used to evaluate peripheral arterial disease (PAD). An ABI value of 1.0 or greater is considered normal. Values less than 0.9 indicate peripheral arterial disease, with increasing severity as the ABI decreases.
Create a Free MyAccess Profile
AccessMedicine Network is the place to keep up on new releases for the Access products, get short form didactic content, read up on practice impacting highlights, and watch video featuring authors of your favorite books in medicine. Create a MyAccess profile and follow our contributors to stay informed via email updates.