title: Ectopic pregnancy with shock and undetectable beta-human chorionic gonadotropin. A case report.
abstract: A patient with an ectopic pregnancy presented with intraabdominal hemorrhage, hypotension and a beta-human chorionic gonadotropin (beta-hCG) less than 5 mIU/mL. Although rare, a negative beta-hCG does not rule out the diagnosis of ectopic pregnancy.
mesh_terms: D000328:Adult; D000465:Algorithms; D006063:Chorionic Gonadotropin / Q000097:blood*; D005184:Fallopian Tube Diseases / Q000209:etiology; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000150:complications / Q000175:diagnosis*
chemical_list: D006063:Chorionic Gonadotropin