Gastrointestinal bleeding. Diagnosis and management.
D000368:Aged; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000150:complications; D004932:Esophageal and Gastric Varices / Q000150:complications; D005260:Female; D005756:Gastritis / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery*; D006801:Humans; D007410:Intestinal Diseases / Q000150:complications; D008297:Male; D008551:Melena / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D009780:Occult Blood; D010438:Peptic Ulcer Hemorrhage / Q000601:surgery; D010808:Physical Examination; D011859:Radiography; D012771:Shock, Hemorrhagic / Q000601:surgery; D013274:Stomach Neoplasms / Q000150:complications; D013276:Stomach Ulcer / Q000150:complications