An arteriovenous malformation (AVM) is actually a tangle of blood vessels that irregularly connects arteries and veins, disrupting blood stream and oxygen circulation.They can cause seizures in some people. Capillary telangiectasias are groups of abnormally swollen capillaries. They are usually not harmful and rarely result in substantial damage to

Dural arteriovenous fistulas can come about in the membrane surrounding the brain and spinal wire. They may be thought to occur from an injuries into the membrane that generates a fistula in between an artery and vein from the membrane.Cerebral angiography, also referred to as cerebral arteriography, delivers essentially the most correct pics of bl