Primarily categorized as Spontaneous vs. Traumatic
Most frequent cause of CVA in young and middle-aged patients (median age - 40yrs)
Symptoms may be transient or persistent
Consider in trauma patient who has neurologic deficits despite normal head CT
Consider in patient with CVA + neck pain<unk><unk>  comes off the subclavian and runs upward through the formina in the transverses processes of C6 to C2.
Neck trauma (often minor)
Symptoms typically occur 2-3 days after event
Cervical manipulation
Coughing
Connective tissue disease
History of migraine
Symptoms typically occur 2-3 days after event
Vertebral and carotid artery dissection
Penetrating neck trauma
Subarachnoid hemorrhage
Blunt neck trauma
Post-tPA Hemorrhage in CVA
Subdural hemorrhage
Strangulation
Ischemic stroke