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  2. Hematuria - Wikipedia

    en.wikipedia.org/wiki/Hematuria

    Hematuria can be classified according to visibility, anatomical origin, and timing of blood during urination. [1] [6]In terms of visibility, hematuria can be visible to the naked eye (termed "gross hematuria") and may appear red or brown (sometimes referred to as tea-colored), or it can be microscopic (i.e. not visible but detected with a microscope or laboratory test).

  3. Glomerulonephritis - Wikipedia

    en.wikipedia.org/wiki/Glomerulonephritis

    IgA nephropathy, also known as Berger's disease, is the most common type of glomerulonephritis, and generally presents with isolated visible or occult hematuria, occasionally combined with low grade proteinuria, and rarely causes a nephritic syndrome characterised by proteinuria, and visible blood in the urine. IgA nephropathy is classically ...

  4. Gastrointestinal bleeding - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_bleeding

    Causes of upper GI bleeds include: peptic ulcer disease, esophageal varices due to liver cirrhosis and cancer, among others. [3] Causes of lower GI bleeds include: hemorrhoids, cancer, and inflammatory bowel disease among others. [2] [1] Small amounts of bleeding may be detected by fecal occult blood test. [1]

  5. Loin pain hematuria syndrome - Wikipedia

    en.wikipedia.org/wiki/Loin_pain_hematuria_syndrome

    The syndrome presents with hematuria (blood in the urine) and flank (a region of the lower back beneath the ribs and above the ilium) pain which can result from a number of causes. Nonglomerular causes of bleeding (e.g., urinary infection, tumor, or nephrolithiasis) must be excluded.

  6. Hemoglobinuria - Wikipedia

    en.wikipedia.org/wiki/Hemoglobinuria

    Hemoglobinuria is a condition in which the oxygen transport protein hemoglobin is found in abnormally high concentrations in the urine. [1] The condition is caused by excessive intravascular hemolysis, in which large numbers of red blood cells (RBCs) are destroyed, thereby releasing free hemoglobin into the plasma. [2]

  7. Infective endocarditis - Wikipedia

    en.wikipedia.org/wiki/Infective_endocarditis

    Causes: Bacterial infection ... glomerulonephritis which allows for blood and albumin to enter the urine, [12] ... there is a less than 5% chance of occult endocarditis.

  8. 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).

  9. Occult blood - Wikipedia

    en.wikipedia.org/wiki/Occult_blood

    Occult blood may refer to: Fecal occult blood, blood present in the feces that is not visibly apparent; Hematuria, the presence of red blood cells in the urine