Acute upper gastrointestinal haemorrhage.
D000208:Acute Disease; D000367:Age Factors; D004636:Emergency Service, Hospital; D004724:Endoscopy; D004945:Esophagoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology / Q000401:mortality / Q000628:therapy; D005773:Gastroscopy; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis; D011379:Prognosis