What does hematochezia indicate?

Hematochezia specifically refers to the passage of fresh, bright red blood from the rectum, which is typically associated with bleeding from the lower gastrointestinal tract, such as the colon or rectum. This condition can indicate various medical issues, including hemorrhoids, diverticulosis, or more severe conditions like colorectal cancer. The bright red color of the blood suggests that the bleeding is occurring relatively close to the anus, as blood that has a darker, tarry appearance usually indicates that it has been digested and comes from a higher point in the gastrointestinal tract. Understanding this definition helps in evaluating and managing patients with gastrointestinal complaints effectively.