TY - CHAP M1 - Book, Section TI - Altered Mental Status and Coma A1 - Fuchs, Susan A2 - Schafermeyer, Robert A2 - Tenenbein, Milton A2 - Macias, Charles G. A2 - Sharieff, Ghazala Q. A2 - Yamamoto, Loren G. PY - 2014 T2 - Strange and Schafermeyer's Pediatric Emergency Medicine, 4e 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. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/12 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1105679935 ER -