NIH - Medical Encyclopedia: Stroke

"The goal is to get the person to the emergency room immediately, determine if he or she is having a bleeding stroke or a stroke from a blood clot, and start therapy -- all within 3 hours of when the stroke began."

Highlighted Article

Transient Ischemic Attack: A Dangerous Harbinger and an Opportunity to Intervene. (Semin Neurol. 2005)

"Transient ischemic attack (TIA) and ischemic stroke are both characterized by sudden onset of neurological symptoms due to focal cerebral ischemia, but they are distinguished by the duration of neurological symptoms, with TIA traditionally defined by resolution of symptoms within 24 hours and stroke reserved for symptoms of longer duration. ... The short-term risk of ischemic stroke after TIA is very high ..."