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  2. Blood test - Wikipedia

    en.wikipedia.org/wiki/Blood_test

    A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick. Multiple tests for specific blood components, such as a glucose test or a cholesterol test , are often grouped together into one test panel called a blood panel or blood work .

  3. Hematology - Wikipedia

    en.wikipedia.org/wiki/Hematology

    Physicians specialized in hematology are known as hematologists or haematologists. [2] Their routine work mainly includes the care and treatment of patients with hematological diseases, although some may also work at the hematology laboratory viewing blood films and bone marrow slides under the microscope, interpreting various hematological test results and blood clotting test results.

  4. Hematoma - Wikipedia

    en.wikipedia.org/wiki/Hematoma

    This is a key anatomical feature that helps prevent injuries from causing massive blood loss. In most cases a hematoma as a sac of blood eventually dissolves; however, in some cases it may continue to grow due to blood seepage or show no change. If the sac of blood does not disappear, then it may need to be surgically cleaned out or repaired.

  5. QNS - Wikipedia

    en.wikipedia.org/wiki/QNS

    This can cause false results in assays such as coagulation assays (causing falsely increased clotting times) or blood cell differentials (causing a false increase in poikilocytes, particularly burr cells.) In either case, the most common and feasible way to correct the problem is to simply recollect the specimen.

  6. Anemia - Wikipedia

    en.wikipedia.org/wiki/Anemia

    A strict but broad definition is an absolute decrease in red blood cell mass, [63] however, a broader definition is a lowered ability of the blood to carry oxygen. [64] An operational definition is a decrease in whole-blood hemoglobin concentration of more than 2 standard deviations below the mean of an age- and sex-matched reference range. [65]

  7. Azotemia - Wikipedia

    en.wikipedia.org/wiki/Azotemia

    The net result of these 4 mechanisms of salt and water retention is decreased output and decreased urinary excretion of sodium (< 20mEq/L). The increased reabsorption of Na leads to increased water and urea reabsorption from the proximal tubules of the kidney back into the blood. In contrast, creatinine is actually secreted in the proximal tubule.

  8. Complete blood count - Wikipedia

    en.wikipedia.org/wiki/Complete_blood_count

    A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood.The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells).

  9. 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]