Arteriovenous malformation (AVM): overview, symptoms, diagnosis and treatment Arteriovenous malformation Arteriovenous malformations are abnormal connections between arteries and veins that bypass capillaries. They most often affect the brain and can cause bleeding, seizures, or neuro…
Aura (symptom) A perceptual disturbance that precedes or accompanies neurological events such as migraine or epileptic seizures, manifesting as sensory, motor or psychic changes.