Heather M. Prendergast, MD, MPH Understanding Opening Pressures Normal: 60-200 mm H 2 O (obese patients up to 250mm H 2 0 Elevated: Suggest increased
{"Image DocumentName": "Understanding Opening Pressures", "Image ImageDescription": "Normal: mm H2O (obese patients up to 250mm H20. Elevated: Suggest increased intracranial pressures (>250 mm H20) Mass lesion (neoplasm, hemorrhage, infection) Overproduction of CSF. Defective Outflow Mechanics. 15% Of seizures result in injury or death. Head contusions and lacerations common. Mortality rates. 1.2% of all seizures. 3 to 26% in SE. Mortality rate 10 times higher in adults (vs children) SE mortality highest with hypoxic or ischemic insult. DeLorenzo et al. Neurology 1996;46:1029; J Clin Neurophysiol 1995;12:316; Epilepsia 1992;33(Suppl 4):S15. Hauser. Neurology 1990;40(Suppl 2):9. Kirby and. Sadler. Epilepsia 1995;36:25. Terrence et al. Ann Neurol 1981;9:458.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}