Regarding upper GI bleed-true statement is

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 .