1) Stroke red flags – gradual onset, seizures at the onset of stroke, impaired consciousness, below 50 yrs of age, apparent absence of CAD risk factors (consider alternative diagnosis like migraine, SDH, hypoglycemia, postictal paresis, brain tumors, below 50 yrs of age, absence of apparent cardiovascular risk factors)
2) Stroke – ptosis and miosis contralateral to the deficit – carotid artery dissection