Internal carotid artery steal syndrome: a case report

This is a case report on a 41 year old white female who was originally admitted after a secondary generalized epileptic seizure. In 1994 she had suffered a right MCA stroke due to occlusion of the innominate artery. Spastic hemiparesis on the left side had persisted since. Ultrasound of the brain supplying arteries showed an unusual status with complete vertebral steal phenomenon of the right vertebral artery under resting conditions. The external carotid artery on the right showed a poststenotic profile. The internal carotid artery (ICA) showed a biphasic flow profile with reversed systolic flow. After decompre…