RT Book, Section A1 Fuchs, Susan A2 Tenenbein, Milton A2 Macias, Charles G. A2 Sharieff, Ghazala Q. A2 Yamamoto, Loren G. A2 Schafermeyer, Robert SR Print(0) ID 1155167426 T1 Altered Mental Status and Coma T2 Strange and Schafermeyer's Pediatric Emergency Medicine, 5e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259860751 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1155167426 RD 2024/04/25 AB For coma to occur there must be an insult to both cerebral hemispheres or to the reticular activating system.Decorticate posturing signifies dysfunction of the cerebral hemispheres with an intact brain stem.Decerebrate posturing signifies a lesion in the midbrain.Intussusception can have a “neurologic” presentation ranging from lethargy to obtundation.