Barium swallow, 1058 f Bartholin cysts, 1339 Bartonella henselae infection, 309 , 312 , 321 , 328 , 1349 See also Catscratch disease (Bartonella henselae) Bartonella-positive endocarditis, 321 Basilar impression, 330 Basilar migraine, 157 , 191 Basilar skull fractures, 269 , 393 Battle sign, 1255 Beckwith–Wiedemann syndromes, 1420 Bed bug (Cimex lectularius) bites, 445 Behavioral and psychiatric emergencies agitated or violent behavior, treatment goals for, 1430 –1434 assessing and predicting, 1431 t calming techniques, 1431 t clinical recognition, 1430 disposition, 1433 –1434 emergency medications, 1433 t initial assessment, 1431 medical and physical strategies, 1432 –1433 rapid tranquilization, 1432 triage, 1430 –1431 verbal de-escalation techniques, 1431 –1432 , 1431 t autism spectrum disorder (ASD), 1444 –1446 clinical considerations, 1445 healthcare environment, challenges, 1445 –1446 management, 1445 depression management, 1438 –1439 symptoms, 1438 treatment goals, 1438 emergency department in, requirements of, 1427 –1428 evaluation of ED clinicians, 1430 family, 1429 medical history, 1429 mental status, of child, 1429