basic principles of, 1085 –1087 initial evaluation and treatment, 1085 f stable patient, 1087 of unstable patient, 1087 penetrating, 1091 –1092 goals of treatment, 1091 gunshot wounds, 1091 –1092 management of, 1088 f stab wounds, 1092 treatment goals, 1084 triage considerations, 1085 Abdominal wall contusions, 1089 Abdominal wall defects, 1310 –1312 epiploceles (epigastric hernias), 1310 hydroceles, 1310 inguinal hernia, 1310 omphalomesenteric duct remnants, 1310 –1311 , 1311 f peritonitis, 1303 f prior abdominal surgery, 1303 f umbilical hernias, 1310 urachus persists, after birth, 1311 –1312 Abnormal stool acholic stool, 35e allergic enteropathy, 35e hematochezia and melena, 35e treatment, 35e Abnormal uterine bleeding (AUB), 536 , 538 –539 Abscess(es), 1295 f brain, 1389 dental emergencies, 1313 –1314 neck clinical recognition, 1327 diagnostic testing, 1327 –1328 discharge/admission, clinical indications, 1328 evidences, 1327 initial assessment, 1327 management, 1327 –1328