mixed with bright red blood or painted on the surface of the same.
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This sign is generally indicative of a blood loss originating in the lower part of the gastrointestinal tract, ie anus, rectum or descending colon. The factors that can contribute to hematochezia can be many and varied: ulcerative colitis, infections, diverticula, Sudden rectal injuries or trauma from foreign bodies are just some of the possible causes.
Hematochezia is always to be considered an important clinical sign and, as such, must be evaluated by a doctor to understand its etiology and establish the most correct therapeutic procedure. Depending on the severity, the doctor may indicate a pharmacological treatment (eg . administration of haemostatic drugs) or, in severe cases, a series of blood transfusions or emergency surgery.
. In the latter case, an accelerated peristalsis makes it impossible to oxidize the blood, which reaches the rectum in a sufficiently short time not to be dark in color and make the stool picee, unlike what happens in melena.
