In this video, Dr. RR Kasliwal, Chairman - Clinical & Preventive Cardiology, Medanta – The Medicity, will talk on the limit for ankle brachial index. If the ankle brachial index is above 0.9 then it is normal. Below 0.9 is considered as abnormal. He will further talk that the values of ankle brachial index will demonstrate the peripheral vascular diseases. Ankle brachial index is a parameter for people who has extremities problems. Many people have to stop if they walk a certain distance, they could have blockages in the legs arteries and ankle brachial index is a diagnostic marker. Dr. Kasliwal advises in diabetic, smoker, and hypertensive patients, if they get pain in legs then they should test for ankle brachial index.