Vascular neurology expert witnesses practice in a variety of fields, including stroke medicine, cerebrovascular disease, neurocritical care, and brain injury. Some of the most common specialties include ischemic stroke, hemorrhagic stroke, carotid artery disease, aneurysms, and transient ischemic attacks. They can opine on the effects of delayed diagnosis, improper stroke management, anticoagulation errors, and long-term neurologic disability.