This document provides an overview of gastrointestinal bleeding, including:
- Clinical presentation and definitions of upper and lower GI bleeding
- Core principles of assessment, stabilization, determining bleeding source, stopping active bleeding, and treatment/prevention
- Risk stratification based on vital signs and estimated blood loss
- Differential diagnosis and management of acute upper GI bleeding including endoscopic findings, therapies, and outcomes
- Risk factors, scoring systems, and definitions used in gastrointestinal bleeding management