Forrest classification
Forrest classification is a classification of upper gastrointestinal hemorrhage used for purposes of comparison and in selecting patients for endoscopic treatment. == Forrest classification == Acute hemorrhage Forrest I a (Spurting hemorrhage) Forrest I b (Oozing hemorrhage) Signs of recent hemorrhage Forrest II a (Non bleeding Visible vessel) Forrest II b (Adherent clot) Forrest II c (Flat pigmented haematin (coffee ground base) on ulcer base) Lesions without active bleeding Forrest III (Lesions without signs of recent hemorrhage or fibrin-covered clean ulcer base) == Application == Forrest's classification is instrumental when stratifying patients with upper gastrointestinal hemorrhage into high and low risk categories for mortality.