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  2. Leukoreduction - Wikipedia

    en.wikipedia.org/wiki/Leukoreduction

    Universal leukoreduction is currently not practiced in all countries. [citation needed]As of 2008, most developed nations have adopted universal leukoreduction of transfusions (defined as the routine application of this blood-processing step to all units of whole blood, red blood cells, and platelets prior to storage) with the notable exception of the United States. [8]

  3. Blood in stool - Wikipedia

    en.wikipedia.org/wiki/Blood_in_stool

    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]

  4. Gastrointestinal bleeding - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_bleeding

    The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding. Digested blood from the upper gastrointestinal tract may appear black rather than red, resulting in "coffee ground" vomit or melena. [2] Other signs and symptoms include feeling tired, dizziness, and pale skin color. [18]

  5. Have Blood In Your Stool? Here’s What It Could Mean

    www.aol.com/lifestyle/blood-stool-could-mean...

    Blood in stool: Red flags There are some symptoms that raise suspicion when they accompany blood in the stool, Dr. Bulsiewicz points out. These can include multiple bowel movements in a row with ...

  6. Rectal bleeding - Wikipedia

    en.wikipedia.org/wiki/Rectal_bleeding

    It could be challenging to pinpoint the precise location of the blood if there is a lot of blood in the stomach. [6] Tagged red blood cell scintigraphies are a precise way to locate the bleeding vessels and pinpoint the area where they are bleeding. It can be applied to chronic and recurrent rectal bleeding with no apparent cause.

  7. Hematochezia - Wikipedia

    en.wikipedia.org/wiki/Hematochezia

    A complete blood count as well as an hemoglobin test should be performed when a patient presents symptoms of hematochezia. A colonoscopy may be necessary if there is suspicion of bleed from colon particularly in the elderly to look for the site and many causes of bleed like carcinoma, ulcerative colitis, rectal varices or other lesions and in certain instances upper gastrointestinal endoscopy ...

  8. Ulcerative colitis - Wikipedia

    en.wikipedia.org/wiki/Ulcerative_colitis

    Blood and stool tests serve primarily to assess disease severity, level of inflammation and rule out causes of infectious colitis. All individuals with suspected ulcerative colitis should have stool testing to rule out infection. [12] A complete blood count may demonstrate anemia, leukocytosis, or thrombocytosis. [12]

  9. Fecal occult blood - Wikipedia

    en.wikipedia.org/wiki/Fecal_occult_blood

    Fecal occult blood testing (FOBT), as its name implies, aims to detect subtle blood loss in the gastrointestinal tract, anywhere from the mouth to the colon.Positive tests ("positive stool") may result from either upper gastrointestinal bleeding or lower gastrointestinal bleeding and warrant further investigation for peptic ulcers or a malignancy (such as colorectal cancer or gastric cancer).