RT Book, Section A1 Fuchs, Susan A2 Schafermeyer, Robert A2 Tenenbein, Milton A2 Macias, Charles G. A2 Sharieff, Ghazala Q. A2 Yamamoto, Loren G. SR Print(0) ID 1105679935 T1 Altered Mental Status and Coma T2 Strange and Schafermeyer's Pediatric Emergency Medicine, 4e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-182926-7 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1105679935 RD 2024/10/07 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.