ABI Machine: A Simple Way to Check Your Leg Arteries 1️⃣ What is an ABI Test? ABI stands for Ankle-Brachial Index. It’s a simple, non-invasive test that checks blood flow in your legs and helps detect Peripheral Artery Disease (PAD). It measures your blood pressure to see if circulation in your legs is normal. 2️⃣ Toe Cuffs for Small Vessel Check Special toe cuffs can measure blood pressure in your toes, helping detect problems in smaller arteries that are harder to see. 3️⃣ Pulse Wave Recording