1129. Define mild, moderate, severe head injury // Tissue layers of the scalp // Autoregulation works within what range? // Effect of decreased PaO2 on cerebral vasculature September 22nd, 2009 by reuben in .trauma-head & face Back Top Tags: card 1128. Geriatric trauma considerations / Mortality in burns by age 1130. Reversible causes of cerebral secondary injury // Define increased ICP // Cushing's reflex is seen in what % of life-threatening elevated ICP? // Describe uncal herniation Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.