Massive hematemesis. How much is the bleeding volume?

Major bleeding refers to a bleeding volume of more than 500 ml, or even more than 1000 ml, generally seen in patients with gastroduodenal ulcer and esophageal varices bleeding, bleeding volume is relatively large. Show massive bleeding, need to be hospitalized in time, if esophageal varices bleeding, need to consider endoscopic hemostasis treatment, such as vascular ligation, endoscopic spraying hemostatic drugs.