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7 Cards in this Set
- Front
- Back
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0-6 hours
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-Minimal changes
-Edema |
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6-12 hours (0.5 day)
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-DEAD RED neurons appear
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12-14 hours (0.5 days)
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-Endothelial cells react
-Pericellular edema -NEUTROPHILS begin to appear |
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24-36 hours (1-1.5 days)
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-Prominent influx of neutrophils at boundary of viable tissue and around patent vessels
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72 hours (3 days) - months
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-Macrophages remove dead brain
*fluid filled cyst develops as all dead brain is removed. This happens in weeks -> months following infarct **liquefactive necrosis |
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7-9 days
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-Astrocytes begin to become reactive and progress to form GLIAL SCAR
(no fibroblasts allowed!) |
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Days -> weeks
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Glutamate released -> EXCITOTOXICITY
2' level infarct -> PENUMBRA |
