Forrest Classification

1a: arterial, spurting hemorrhage

1b: Ozzing hemorrhage

2a: Visible vessel

2b: adherent clot

2c: Hematin-covered lesion

3: no signs of recent hemorrhage

Upper GI Bleed presentation:

http://fhs.mcmaster.ca/surgery/documents/gi_bleeding.pdf
Forrest class 2 lesions (Visible vessel or adherent clot will have) ~10% risk of rebleeding in first 24 hours
- risk of bleeding drops significantly in following 48-72 hours