 - Rebleeding hemorrhage cases that present 1 new hematemesis or recurrence persistence of fresh melena, associate with 2 a decrease in hemoglobin greater than 20 g l in a period of less than 24 hours, or hemodynamic TAS 100 mmHg and or heart rate 100 ppm. All cases will be assessed through a new emergency endoscopy to confirm it is a recurrence and proceed to a second endoscopic treatment if its necessary. 