clinical recognition, 1339 management, 1340 treatment goals, 1339 Femur fractures, 1199 –1200 Fenoldopam, 245 Fentanyl, 39 t Fetor hepaticus, 338 Fever, 331 , 480 , 528 , 573 , 1016 disposition and discharge considerations, 204 evaluation and decision, 194 –203 algorithm for, 198 f history and physical examination, 195 –196 , 199 infectious causes of, 195 t infectious etiologies of, 197 t joint pain and, 406 t noninfectious causes of, 196 t pathophysiology, 194 symptomatic treatment, 203 –204 without localizing signs, 201 t Fevers of unknown origin (FUOs), 203 Fibroadenomas, 113 Fibrocystic breast disease, 112 Fibrosarcomas, 1417 Fick’s law, 141 Filariasis, 253 –254 , 851 Fingertip injuries avulsion, 1167 nail bed lacerations, 1167 –1168 subungual hematoma, 1168 Fish odor syndrome, 337 Fistulous connection, of arteries, 1383 Fitz-Hugh-Curtis syndrome, 756 Fixed drug eruptions, 454 Flaccid paralysis, 891 Flail chest, 482 , 1283 –1284 Flank tenderness, 363 Flea (Pulex irritans) bites, 445 Flexion fractures, 1187 Fluid-refractory shock, 84 Fluid resuscitation, 30 , 57 Flumazenil, 39 , 124 , 1032 , 1078 Flutter, 424 Focal injury, 1257 –1258 Focused abdominal sonography for trauma (FAST), 1087 , 1134 Folic acid deficiency, 417 Folliculitis, 438 , 439 f Follow-up of patients, 18 –19 Food protein–induced enterocolitis syndrome (FPIES), 87 , 218 Foods/fish toxicity, 1056 –1057 Footballer’s migraine, 191 Foot injuries, 1208 –1209 calcaneus fractures, 1208 f hindfoot/midfoot fractures, 1208 –1209 Lisfranc fracture, 1209 f metatarsal/phalangeal fractures, 1208 Foot, tarsometatarsal injuries, 1208 Forearm injuries, 1191 Foregut duplications, 1419 Forehead lacerations, 1165 Foreign bodies approach to diagnosing foreign-body aspiration, 211 f aspirated and ingested, 479 , 572 differential diagnosis, 206 –207 evaluation and decision, 207 –212 pathophysiologic considerations, 206 bronchial, 1119 f button battery ingestion, 210 , 210 f ear, 1112 of esophagus, 206 gastrointestinal, 206 –210 larynx and trachea trauma, 1118 of lower respiratory tract, 207 , 208 f, 211 –212 magnet ingestions, 210 management of, 209 f nasal See Nasal foreign body odors from, 338 respiratory, 206 –207 sore throat and, 508 of stomach and lower GI tract, 206 , 209 –210 subungual, 1344 of unknown location, 207 , 208 f in upper airway, 206 –207 vaginal, 530 , 543 wound repair, 1155 Fosphenytoin (Cerebyx), 497 , 885 Fractional excretion of sodium (FENa), 980 Fractures, 622 t, 627 avulsion, 1173 blow-out, 1268 carpal, 1151 clavicle, 1177 –1181 complications of, 1175 –1176 compression, 1210 –1211 dens, 1242 f–1243 f distal tibial/fibular, 1205 facial, 1124 isolated distal fibular, 1206 jaw, 1110 knee, 1199 –1203 nondisplaced transverse, 1206 f rib, 1283 Salter-Harris fractures, 1205 –1206 triplane, 1207 f zygoma, 1126 –1127 Francisella tularensis , 1349 Freiberg disease, 302 5-French Foley catheter, 1116 Frictional keratosis, 352 Frictional lichenoid dermatitis, 435 Friction blisters, 450 Frontal bone fractures, 1127 Frostbite, 450 , 450 f clinical presentation of, 695 of toes, 692 f Frostbite injury, 694 –695 clinical presentation of, 695 treatment goals, 695 Full-thickness burns, 1097 Fumarylacetoacetase deficiency, 337 Functional hearing loss, 224 Functional hypovolemia, 74 Functional intestinal obstruction, 87 Functional obstruction, 87 Fundoscopy, 138 Fungal cystitis, 529 Fungal infections, 442 –444 Furocoumarins, 436 –437 Furunculosis, 438 , 439 f Fusarium species, 444 Fusobacterium necrophorum, 322 G Gait ataxia, 107 Galactoceles, 113 Galactorrhea, 112 , 342 Galeazzi fracture-dislocation, 1192 , 1194 , 1194 f Gallbladder, rupture of, 1091 Galveston Shriners formula, 1099 , 1100 t Ganglion, 1344 –1345 , 1345 f Gardnerella vaginalis , 338 , 545 Gardner syndrome, 219 Gardner–Wells tongs, 1239 f Garlic odor, 337 Gartland classification system, 1184 , 1186 Gartner duct cysts, 1339 Gastric emptying, 1036 Gastric lavage, 1036 Gastritis, 215