Which indicates least chances of re-bleeding after hematemesis episodes:
Adherent clot on ulcer
Clean based ulcer
Gastric ulcer with AV malformation
Visible bleeding vessel.
Most patients of hematemesis have a rebleed within the next 3 days of an episode. UGIE is diagnostic as well as prognostic as a clean based ulcer has a least chance of re-bleed while visible bleeding vessel has the highest chances.
Bleeding from the GUT and diseases of esophagus