Telestroke, Stroke prevention, Giant cell arteritis, Stroke, Brain aneurysm, Venous malformation, Transient ischemic at...tack, Carotid artery disease, Takayasu's arteritis, Brain hemorrhage, Dural arteriovenous fistula, Brain AVM, Arteriovenous malformation, Subarachnoid hemorrhage, Intracranial hematoma, Vascular malformation, CADASIL, Cerebral microbleeds, Subdural hematoma, Antiphospholipid syndrome, Ischemic stroke, Subdural hemorrhage, Spinal arteriovenous malformation, Cavernous malformations, Small vessel white matter disease, Moyamoya disease, Vascular dementia, Binswanger's disease, Central nervous system arteritis, Hereditary hemorrhagic telangiectasia, Central nervous system vascular malformations, Intracranial venous malformation, Intracranial hemorrhage, Arteritis, Cerebral amyloid angiopathy, Venous angioma, Basilar artery stenosis, Venous thrombosis, Basilar dissection, Vertebral artery blockage, Vertebral artery dissection, Vertebral artery stenosis, Vertebrobasilar insufficiency, Carotid bruit, Intracerebral hemorrhage, Amaurosis fugax, Carotid dissection