Upper gastrointestinal hemorrhage.
D003080:Cold Temperature; D004562:Electrocardiography; D004630:Emergencies; D004724:Endoscopy; D005751:Gastric Lavage; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000628:therapy*; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008487:Medical History Taking; D011187:Posture; D011379:Prognosis; D012151:Resuscitation; D012771:Shock, Hemorrhagic / Q000628:therapy; D013997:Time Factors; D014839:Vomiting
D006454:Hemoglobins