How much reduction in cerebral blood flow is anticipated for every 1 mm Hg acute reduction in PaCO₂?

Name: How much reduction in cerebral blood flow is anticipated for every 1 mm Hg acute reduction in PaCO 2 ?
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In people with TBI, a cerebral blood volume reduction of only 0.5 to 0.7 mL lowers the ICP by 1 mm Hg; on the other hand, for every 1 mm Hg acute reduction in PaCO₂(between 20 and 60 mm Hg) there is a 3% reduction in cerebral blood flow.

How Much Reduction in Cerebral Blood Flow Is Anticipated for Every