Glasgow-Blatchford Bleeding Score (GBS) and AIM65 for Upper GI bleeding.

The GBS score can be utilized for upper GI bleeds to risk stratify patients for potential discharge from the emergency department, and was originally published in 2000 in the Lancet based off a Scottish study in 1997 and validated in 2007. 

The GBS classifies Low Risk as those patients with a score of Zero. Any score higher than zero is considered to potentially require intervention, transfusion, or endoscopy

The AIM65 Score is a less complicated scoring system derived retrospectively in 2011 from a cohort of >29,000 patients.