triage considerations, 1182 Shoulder injury differential diagnosis, 283 –286 , 285 t acromioclavicular (AC) joint injuries, 283 acute brachial plexus injuries, 286 clavicle fracture, 283 glenohumeral joint dislocations, 283 nonossifying fibromas, 286 osteochondromas, 286 osteolysis, 283 rotator cuff damages, 283 –284 Salter–Harris type I fracture, 284 , 286 scapula fractures, 283 stress fractures of proximal humeral epiphysis, 286 thoracic outlet syndrome, 286 evaluation and decision, 286 –288 approach to, 287 f rotator cuff injury, 285 f shoulder subluxation, 285 f SHOUT (Sick or not sick; History and hospital course; Objective data; Upcoming plan or disposition; and To do), , t Shuffling gait, 301 Shunt infection, 504 Shunt malfunction, 1386 Shunt obstruction, 504 Sialadenitis, 1349 –1350 Sickle cell anemia, 164 , 428 Sickle cell disease, 160 , 374 , 419 acute chest syndrome, 784 anemia, 784 avascular necrosis, 785 infection/sepsis, 783 papillary necrosis, 785 priapism, 783 splenic sequestration, 784 –785 stroke, 784 transfusions, 785