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What is Regarding upper GI bleed-true statement is and explain in detail?
Ref. Sabiston Textbook of Surgery. Pg. 1142
 
GI Bleeding
Most common cause of GI Bleed is Non variceal bleeding (80%)

Upper GI bleed is defined bleeding arising from esophagus ,stomach ,or duodenum .
Rockall and Baylor scoring for predicatabilty of rebleeding and mortality
1st line management includes IV Fluids + blood (1:3) + PPI Infusion + upper GI endoscopy .