Common signs of bleeding in the upper gastrointestinal tract include all of the following, EXCEPT:

Hematochezia is the passage of fresh red blood from the rectum, often associated with lower gastrointestinal tract issues rather than upper gastrointestinal bleeding. This condition typically manifests after bleeding occurs in the lower GI tract, such as from conditions affecting the colon or rectum.

In contrast, hematemesis, which is the vomiting of blood, along with dark, tarry stools (melena), and melena itself indicate bleeding from the upper gastrointestinal tract. These signs arise from the breakdown of blood as it passes through the digestive system, where the upper GI tract includes areas such as the esophagus and stomach. Therefore, recognizing hematochezia as a sign associated with lower GI bleeding is crucial in differentiating the source of bleeding for appropriate diagnosis and treatment.