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  2. Segmental colitis associated with diverticulosis - Wikipedia

    en.wikipedia.org/wiki/Segmental_colitis...

    SCAD may lead to abdominal pain, especially in the left lower quadrant, intermittent rectal bleeding and chronic diarrhea. [1] The cause of SCAD is unknown, but may be related to local colonic ischemia, fecal stasis, or mucosal prolapse. The factors that cause SCAD likely overlap with inflammatory bowel disease. There are four types of SCAD ...

  3. Rectal bleeding - Wikipedia

    en.wikipedia.org/wiki/Rectal_bleeding

    Rectal bleeding refers to bleeding in the rectum, thus a form of lower gastrointestinal bleeding. There are many causes of rectal hemorrhage, including inflamed hemorrhoids (which are dilated vessels in the perianal fat pads), rectal varices , proctitis (of various causes), stercoral ulcers , and infections .

  4. Hematochezia - Wikipedia

    en.wikipedia.org/wiki/Hematochezia

    Hematochezia is commonly associated with lower gastrointestinal bleeding, but may also occur from a brisk upper gastrointestinal bleed. The difference between hematochezia and rectorrhagia is that rectal bleeding is not associated with defecation; instead, it is associated with expulsion of fresh bright red blood without stools. [2]

  5. ICD-10 Procedure Coding System - Wikipedia

    en.wikipedia.org/wiki/ICD-10_Procedure_Coding_System

    The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.

  6. Diverticulosis - Wikipedia

    en.wikipedia.org/wiki/Diverticulosis

    Diverticular disease can present with painless rectal bleeding as bright red blood per rectum. Diverticular bleeding is the most common cause of acute lower gastrointestinal bleeding. [9] However, it is estimated that 80% of these cases are self-limiting and require no specific therapy. [10]

  7. Intestinal ischemia - Wikipedia

    en.wikipedia.org/wiki/Intestinal_ischemia

    White blood cell count >10.5 in 98% (probably an overestimate as only tested in 81% of patients) Lactic acid elevated 91% (probably an overestimate as only tested in 57% of patients) In very early or very extensive acute intestinal ischemia, elevated lactate and white blood cell count may not yet be present.

  8. Hemosuccus pancreaticus - Wikipedia

    en.wikipedia.org/wiki/Hemosuccus_pancreaticus

    Hemosuccus pancreaticus is a rare cause of hemorrhage in the gastrointestinal tract.It is caused by a bleeding source in the pancreas, pancreatic duct, or structures adjacent to the pancreas, such as the splenic artery, that bleed into the pancreatic duct, which is connected with the bowel at the duodenum, the first part of the small intestine.

  9. 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]