Paralytic shellfish poisoning (PSP), 1058 Parapharyngeal infections clinical recognition, 1325 discharge/admission, clinical indications, 1326 evidences, 1325 initial assessment, 1326 management/diagnostic testing, 1326 treatment goals, 1325 triage considerations, 1325 –1326 Paraphimosis, 1334 –1335 , 1335 f Paraurethral cysts, 1339 Parenchymal injury, 894 Parental presences, in ED, 18 Parenteral rehydration, 150 –151 , 151 f Paresis, 893 Parinaud syndrome, 312 , 907 Parkland formula, 1099 , 1100 t Paronychia, 1342 –1343 , 1343 f Parotitis, 1349 –1350 , 1349 f Paroxysmal torticollis of infancy, 159 Partial albinism, 465 Partial distal urethral obstruction, 529 –530 Partial intestinal obstruction, chronic, 1303 Partial rebreathing masks, 49 Partial-thickness burns, 1096 –1097 Parvovirus, 411 Pasteurella multocida , 1349 Patellar dislocations, 276 , 1201 Patellar fractures, 1201 Patellar ligament, 275 Patellar tendonitis, 279 Patellofemoral dysfunction (PFD), 279 Patellofemoral pain syndrome, 279 , 1373 clinical recognition, 1373 evidences, 1373 initial assessment/H&P, 1373 management/diagnostic testing, 1373 Patent ductus arteriosus (PDA), 502 Pathogen-associated molecular patterns (PAMPs), 74 Pathologic fractures, 1177 Pathways (clinical) development, –8 measuring improvement, quality improvement theory for, Pedialyte, 156 Pediatric Advanced Life Support (PALS) principles, 44 bradycardia algorithm, 59 f cardiopulmonary resuscitation (CPR), 44 pulseless arrest algorithm, 60 f tachycardia with pulses and poor perfusion algorithm, 61 f Pediatric airway management devices, 41 protocols for, 40 –41 supraglottic airways, 41 Pediatric Appendicitis Risk Calculator (pARC), 1292 Pediatric Appendicitis Score, 1239 t, 1291 Pediatric assessment triangle (PAT) circulation to skin, 23 general appearance, 22 work of breathing, 22 –23 Pediatric cardiopulmonary arrest, 44 common cardiac rhythms of, 45 , 57 t Pediatric Emergency Care Applied Research Network (PECARN), , 1231 Pediatric fractures anteroposterior, 1172 f avulsion, 1173 bone, anatomy/physiology of, 1171 bowing, 1173 femur, diagrammatic representation of, 1171 f greenstick, 1172 –1173 physeal, 1171 –1172 , 1172 f principles/properties of, 1171 Salter–Harris classification, 1172 f torus, 1172 treatment goals, 1171 ulna, greenstick fracture, 1173 f Pediatric Glasgow Coma Scale, 1255 t Pediatric poisonings child abuse by, 1029 clinical considerations, 1030 –1040 clinical manifestations of, 1033 t estimates, 1029 evaluation and detoxification phase, 1032 –1040 assessment of severity and diagnosis, 1035 general approach to known or suspected intoxication, 1030 t historical evaluation, 1032 laboratory tests, 1032 –1035 physical examination, 1032 quantitative toxicology tests, 1035 t exploratory toxic ingestion by toddlers, 1029 initial life support phase, 1030 –1032 empiric drug treatment, 1031 –1032 intentional, 1029 nontoxic ingestion, 1040 –1041 , 1041 t risk factors, 1029 routes of poison exposure, 1029 self-poisoning, 1029 toxic substances involved in, 1029 , 1030 t unintentional, 1029 Pediatric sarcomas, 910 Pediatric Trauma Score, 28 t Pediatric triage process, 26 –27 , 27 t assessment of child, 22 –23 high-risk vital signs, 23 –24 , 23 t pain, 23 physical, 23 immediate bedding, concept of, 25 intake process, 25 medical screening examination (MSE), 24 provider in, 25 split-flow concept, 25 Pediculosis, 312 Pelvic fractures, 1139 f acetabular fractures, 1197 avulsion fractures, 1196 clinical assessment, 1196 clinical recognition, 1196 common avulsion injuries, 1197 f disposition, 1197 evidences, 1196 hemipelvis, 1196 ring fractures, 1196 triage considerations, 1196 Pelvic inflammatory disease (PID), 356 , 384 t, 547 t, 755 –757 clinical recognition, 755 diagnostic criteria, 755 t management, 756 –757 triage, 755 Pelvis, avulsion fractures, 1196 Pelvis injuries, 1196 , 1197 f acetabular fractures, 1197 avulsion fractures, 1196 , 1197 f clinical assessment, 1196 clinical recognition, 1196 disposition, 1197 evidences, 1196 management, 1196 –1197 pelvic ring fractures, 1196 triage considerations, 1196 Penetrating abdominal trauma, 1091 –1092 goals of treatment, 1091 gunshot wounds, 1091 –1092 management of, 1088 f stab wounds, 1092 Penetrating head injuries, 270 Penetrating neck trauma aerodigestive tract injuries, 1220 ... 61 f Pediatric airway management devices, 41 protocols for, 40 –41 supraglottic airways, 41 Pediatric Appendicitis Risk Calculator (pARC), 1292 Pediatric Appendicitis Score, 1239 t, 1291 Pediatric. .. work of breathing, 22 –23 Pediatric cardiopulmonary arrest, 44 common cardiac rhythms of, 45 , 57 t Pediatric Emergency Care Applied Research Network (PECARN), , 1231 Pediatric fractures anteroposterior,... 1029 toxic substances involved in, 1029 , 1030 t unintentional, 1029 Pediatric sarcomas, 910 Pediatric Trauma Score, 28 t Pediatric triage process, 26 –27 , 27 t assessment of child, 22 –23 high-risk