UGIB (Upper GI Bleeding)
Esophagus, Stomach, first parts of duodenum. Stool is typically tarry/sticky and has characteristic odor.
Physical Exam Findings
May have black stools (if significant bleeding) and guaiac +
Other findings (e.g. stigmata liver disease) may be present, depending on etiology (e.g. w/varices)
Gastric Or Duodenal