Bleeding into skull around brain
Subarachnoid
Salvageable tissue that is stunned
Penumbra
Decreased cerebral blood volume
Infarcted are
Preserved blood volume
Penumbra - still salvageable
Cerebral blood volume preserved and mean transit time increased
Penumbra
Cerebral blood volume decreased and mean transit time prolonged
Core Infarct
Only use _______ in patients who do not receive tPA
Aspirin
BP for giving stroke
185/110
PT > 15 can’t give
TPA