<unk>  is the development of<unk>  (a flap-like tear) in the vertebral artery. It is commonly associated with physical trauma but may also develop spontaneously. It is a major cause of ischemic stroke in young people.
Vertebral artery dissection
Carotid artery dissection
Vertebral artery disease
Intracranial berry aneurysm
Subarachnoid hemorrhage
Ischemic stroke
Cerebral aneurysm
Subdural hematoma