PAT 20A/B Study Guide - Midterm Guide: Cerebral Perfusion Pressure, Cerebral Circulation, Intracranial Pressure

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Icp is greater than the cpp then there is no perfusion of the brain !: average pressure during cardiac cycle ** -- want the map to be higher than the icp to overcome this, normal map = 50-150 mm hg. Monroe kellie hypothesis: reciprocal compensation occurs among 3 components. If 1 component expands, 1 or both of other 2 must compensate by displacement for pressure to remain constant (monro-kellie hypothesis: if not rapid increase in icp from normal range (0-15 mm hg) (lewis et al. , 2019: If compliance is high, increase in volume will have little/no effect on icp. With low compliance, small increases in volume result in greater increases in pressure. If cpp is inadequate, brain perfusion can be improved by either icp or map: explain the etiology, pathophysiology, manifestations, and complications of brain injury. 1. physical: h/a, dizziness, sleep disturbances, blurring vision, light and sound sensitivity, neck pain, ringing in the ears, fatigue.

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