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