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Strokesalso known as cerebrovascular accidents or brain attacks, involve a disruption in the cerebral blood flow secondary to ischemia, hemorrhage, brain attack, or embolism Hemorrhagic strokeoccur secondary to a ruptured artery or aneurysm Prognosis of hemorrhagic stroke.... is poor due to the amount of ischemia and increased ICP caused by the expanding collection of blood Ischemic strokesreversed with fibrinolytic therapy using alteplase, also known as tissue plasminogen activator (tPA), if given within 3 to 4.5 hr of the initial manifestations (unless contraindicated by factors [presence of active bleeding] Thrombotic strokesoccur secondary to the development of a blood clot on an atherosclerotic plaque in a cerebral artery that gradually shuts off the artery and causes ischemia distal to the occlusion