| Hemorrhage | ||
| FORREST - classification of upper gastrointestinal hemorrhage | ||
| Acute hemorrhage | ||
| Forrest I a | Arterial, spurting hemorrhage | |
| Forrest I b | Oozing hemorrhage | |
| Signs of recent hemorrhage | ||
| Forrest II a g = vessel < 2mm G = vessel > 2mm | Visible vessel | |
| Forrest II b | Adherent clot | |
| Forrest II c | Hematin- covered lesion | |
| Lesins without active bleeding | ||
| Forrest III | No signs of recent hemorrhage | |
