Preoperative Considerations Sedation Avoid sedatives and/or opiates if elevated ICP is a concern (decreased RR leading to elevated ICP, obscuration of neurologic exam – for every 1 mm Hg decrease in pCO2, CBF decreases by 1-2 mL/100g/min). Electrolytes Most of these patients are at high risk for electrolyte abnormalities (mental status changes, steroids, diuretics, contrast […]