Ankle-Brachial Index (ABI) Study to diagnose symptomatic and asymptomatic peripheral arterial disease (PAD) Additional resources on PAD are below: Centers for Disease Control and Prevention: Peripheral Arterial Disease (PAD) Mayo Clinic: Peripheral Artery Disease (PAD) American Heart Association: What is Peripheral Artery Disease (PAD)? Cleveland Clinic: Peripheral Artery Disease
