UGI bleeding was defined as hematemesis, coffee-ground vomit or melena. Inpatients were excluded, and nasogastric lavage was not routinely performed. GBS scores were calculated and outcome data ...

Hematemesis is the medical term used to describe vomiting blood. The blood can be bright red, dark red, black, or dark brown, or resemble coffee grounds. It is caused by internal gastrointestinal ...