Introduction with a clinical question A young woman is transferred to the ICU from an outside hospital due to severely depressed mental status, thought due to intoxication.  You evaluate her intracranial pressure using ocular ultrasonography.  Evaluation of the optic disc diameter in both eyes and in both orientations yields four measurements:  5.5 mm and 6.0 … Continue reading PulmCrit: Algorithm for diagnosing ICP elevation with ocular sonography