[Emergency gastroduodenal transit in hematemesis].
D004630:Emergencies; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006396:Hematemesis / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D011859:Radiography
HEMATEMESIS/etiology; HEMORRHAGE, GASTROINTESTINAL/radiography