Proximal phalanx injuries, 1148 Proximal tibial epiphyseal fractures, 1203 Proximal tibial metaphyseal fractures, 1203 Pruritic vesicopustules, 445 Pseudoconstipation, 127 , 128 f Pseudocyesis, 345 Pseudomembranous colitis, 152 –153 Pseudomonas aeruginosa infection, 338 , 389 –390 , 438 , 946 , 1113 , 1361 , 1397 Pseudoseizures, 882 Pseudotumor cerebri syndrome, 888 Pseudovertigo common causes of, 158 t management, 161 , 161 f Psoriasis, 384 t, 468 –470 , 650 clinical features of, 469 t forms, 468 scalp involvement in, 469 Psoriatic arthritis, 468 Psychiatric emergencies, childhood/adolescent, 1429 t–1430 t Psychiatric psychosis, 95 t Psychogenic back pain, 362 Psychogenic pharyngitis, 510 Psychogenic polydipsia, 531 Psychological safety, 14 Psychomotor, 883 Psychosis in children and adolescents, 1440 clinical recognition, 1440 –1441 emergency treatment, goals of, 1439 exogenous substances, 1441 t medical condition, 1442 medical conditions, 1441 t medically vs psychiatrically, 1440 t psychiatric causes, 1441 –1442 psychotic episode, 1442 schizophrenia, 1442