Diseases

Ateriovenous Malformation (Congenital Avm)

Back

Arteriovenous malformation (avm): an arteriovenous malformation (avm) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or more fistulas (abnormal communications).

SYMPTOMS

Symptoms can include headaches and seizures., Common symptoms: dizziness, headache, or seizures

CAUSES

Arteriovenous malformations (avms) are defects in the blood vessels of the circulatory system. A malformation is an abnormal connection between the veins and arteries. This interferes with your body's ability to circulate blood. It's usually congenital, which means the condition is present at birth.