AttendMe Owl Logo
AttendMe
Sign In
All Calculators
Gastroenterology

Forrest Classification Calculator

Endoscopic classification of peptic ulcer bleeding

Calculate Forrest

Clinical use

Use this calculator for endoscopic classification of peptic ulcer bleeding in thegastroenterology workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Ia/Ib (active bleeding) and IIa (visible vessel) require endoscopic therapy. IIc/III (flat spot/clean base) can be managed conservatively.

Required inputs

  • Forrest Class

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

  • Forrest JA et al. Lancet 1974;2:394-397

Frequently asked questions

What is the Forrest Classification?

Forrest Classification is a clinical calculator used for Endoscopic classification of peptic ulcer bleeding.

How do I interpret the Forrest Classification?

Ia/Ib (active bleeding) and IIa (visible vessel) require endoscopic therapy. IIc/III (flat spot/clean base) can be managed conservatively.

What inputs are required for the Forrest Classification?

Required inputs include Forrest Class.

What is the evidence behind the Forrest Classification?

The Forrest Classification page cites Forrest JA et al. Lancet 1974;2:394-397.

Related Gastroenterology Calculators

Ranson Criteria

Pancreatitis severity and mortality

Glasgow-Blatchford Bleeding Score

Upper GI bleed risk stratification and need for intervention

Rockall Score

Upper GI bleed mortality and rebleed risk prediction

AIMS65 Score

Upper GI bleed in-hospital mortality prediction (bedside)

Related Resources

All Clinical CalculatorsBrowse All 150 CalculatorsAI Chat with Auto-Detection

Next steps

This calculator already has attention. Send users to the adjacent surfaces most likely to keep them in a buying flow.

Pathway

Clinical pathway

Browse the most relevant pathway for this calculator category.

Open page

Compare

AttendMe.ai vs UpToDate

See how the calculator workflow compares against UpToDate.

Open page

Commercial

Start free

Use this calculator in a live clinical session with tracked usage and citations.

Start free

Get AI-Powered Clinical Insights

In AttendMe.ai, the Forrest calculator auto-detects from your clinical questions — alongside evidence from 3M+ peer-reviewed articles.

Start Free