Inherited blistering disorders, 445 –446 Inherited urea cycle disorders, 503 In-hospital pediatric cardiopulmonary arrest CPR after, 46 outcome for, 46 t prevalence of VT and VF, 57 , 57 t Inner ear injuries, 1114 –1115 Insect bites infections, 445 Inspiratory positive airway pressure (IPAP), 35 Insulin, 655 , 657 Intercostal retractions, 486 Interfacility transport, 1e –21e air medical transport environment, C011 e11.2f equipment for ground ambulances, C011 e11.1t pediatric interfacility ambulance environment, C011 e11.1f Intermittent explosive disorder, 97 International Association of Dental Traumatology, 1106 International radiation units, 700 t Interphalangeal (IP) joint injury, 1146 Interstitial lung disease, 962 , 962 t Intertrigo, 441 f Intervertebral disc calcification (IDC), 328 –329 Intestinal obstruction, acute aganglionic megacolon (Hirschsprung disease), 1304 –1305 constipation, chronic, 1304 duplications, 1305 evidences, 1295 ileocolic intussusception, 1296 f incarcerated inguinal hernia, 1299 incarcerated umbilical hernia, 1299 inflammatory bowel disease, 1305 intussusception, 1296 –1299 malrotation of bowel with volvulus, 1299 –1302 partial intestinal obstruction, chronic, 1303 postoperative adhesions, 1303 pyloric stenosis, 1302 –1303 , 1303 f sigmoid volvulus, 1302 , 1302 f