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<< Four Evolving Strategies In The Emergent Treatment Of Acute Ischemic Stroke (Stroke CME)

Pathophysiology

Ischemic strokes consist of thrombotic strokes (approximately 60% of ischemic strokes), caused by in situ cerebrocervical artery occlusions usually secondary to atherosclerotic lesions, and embolic strokes (approximately 40% of ischemic strokes), caused by obstructive emboli from proximal vessel or cardiac sources.3 Ischemic strokes result from the acute interruption of arterial blood flow to a dependent area of brain parenchyma. Once an arterial occlusion has occurred, a heterogeneous area of hypoperfused tissue is created.

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