ARTERIOVENOUS MALFORMATION
Arteries and viens form a network of oxygen supply through blood from heart to brain. While arteries carry orxygen rich blood, veins carry depleted blood back to lungs and heart. The Arteriovenous Malformation is a condition caused by abnormal tangling of connecting arteries and veins, because of which blood flow and oxygen circulation is disrupted. The blood vessels that for Arteriovenous Malformation can rupture, If it happens in brain it can cause hemmohage, stroke or brain damage.

CAUSES OF ARTERIOVENOUS MALFORMATION
Causes of Arteriovenous Malformation are mostly unknown. Arteriovenous Malformation is a result of abnormal connections between arteries and veins, but how and why these connections are formed, that is not fully understood. It may be a cause of genetic changes but most of the times the condition is not an inherited one.