Dyspnea, 133 Dysrhythmias, 1079 Dystonia, 897 Dystonic reactions, 330 Dysuria, 531 causes dermatologic conditions, 384 t localized conditions, 384 t–385 t systemic conditions, 383 t evaluation and decision, 383 –386 history and physical examination, 383 laboratory studies, 384 –385 postpubertal children pathway, 387 f prepubertal children pathway, 386 f symptomatic management, 386 E Ear, external, 1329 auricular perichondritis, 1329 –1330 , 1330 f otitis externa, 1329 –1330 , 1329 f–1330 f treatment, goals of, 1329 Ear foreign body, 1112 “Early-onset” mushrooms, 1067 Ear pain acute otitis media (AOM), 390 –392 algorithm, 390 f cerumen impaction and, 389 differential diagnosis, 389 ear lobe infections and, 389 from foreign bodies, 389 frostbite and, 389 otitis externa, 389 –390 otorrhea, 392 referred, 393 traumatic TM perforation, 393 Ear trauma, 1112 clinical recognition, 1112