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By contrast, dark red or maroon blood may mean you are bleeding higher up in your colon, and black or tar-like stool suggests bleeding in your stomach from an ulcer, he notes. (Here’s why blood ...
Patients with hemosuccus may develop symptoms of gastrointestinal hemorrhage, such as blood in the stools, maroon stools, or melena, which is a dark, tarry stool caused by digestion of red blood cells. They may also develop abdominal pain. It is associated with pancreatitis, pancreatic cancer and aneurysms of the splenic artery.
Bright blood in stool, dark blood in vomit. Lower gastrointestinal bleeding (LGIB) is any form of gastrointestinal bleeding in the lower gastrointestinal tract. LGIB is a common reason for seeking medical attention at a hospital's emergency department. [1] LGIB accounts for 30–40% of all gastrointestinal bleeding and is less common than upper ...
Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena, with a black appearance, typically originating from upper gastrointestinal bleeding; or to hematochezia, with a red color, typically originating from lower gastrointestinal bleeding. [6]
You may have colon or rectal cancer. Mucus in stool can sometimes be a symptom of colon cancer, says Dr. Shanker-Patel. However, mucus in stool is just one of a number of symptoms that might be ...
Blood may be observed in vomit or in altered form as black stool. Depending on the amount of the blood loss, symptoms may include shock. Upper gastrointestinal bleeding can be caused by peptic ulcers, gastric erosions, esophageal varices, and rarer causes such as gastric cancer. The initial assessment includes measurement of the blood pressure ...
Hematochezia. Hematochezia is a form of blood in stool, in which fresh blood passes through the anus while defecating. It differs from melena, which commonly refers to blood in stool originating from upper gastrointestinal bleeding (UGIB). [1] The term derives from Greek αἷμα ("blood") and χέζειν ("to defaecate").
Gastrointestinal bleeding can range from small non-visible amounts, which are only detected by laboratory testing, to massive bleeding where bright red blood is passed and shock develops. Rapid bleeding may cause syncope. [ 18 ] The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding.