trauma induced, 301 without localization, 304 Linea alba, 352 Linear immunoglobulin A (IgA) disease, 448 Lip lacerations, 1166 Lip licker’s dermatitis, 435 Lipomas, 1352 –1353 Lisfranc fracture, 1209 f Listeria monocytogenes infection, 81 , 998 Lithium, 531 Little League shoulder, 286 Localized lymphadenopathy, 253 Localized scleroderma, 999 Long QT syndrome (LQTS), 518 –519 , 522 Loperamide, 156 Lorazepam, 39 t Louse infestation, 637 –638 , 637 f Lower airway foreign-body aspiration, 207 Lower esophageal sphincter (LES), 552 Lower extremity injuries, 1196 –1209 ankle injuries, 1204 –1207 ankle sprains, 1205 clinical assessment, 1205 clinical recognition, 1205 discharge/admission, clinical indications, 1206 distal tibial/fibular fractures, 1205 distal tibia, nondisplaced transverse fracture, 1206 f distal tibia, Tillaux fracture, 1206 f evidences, 1204 –1205 isolated distal fibular fracture, 1206 juvenile Tillaux fractures, 1206 management, 1205 –1206 radiograph of, 1205 f Salter-Harris fractures, 1205 –1206 treatment goals, 1204 triage considerations, 1205 triplane fractures, 1206 , 1207 f