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  2. Thrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Thrombocytopenia

    One common definition of thrombocytopenia requiring emergency treatment is a platelet count below 50,000/μL. [5] Thrombocytopenia can be contrasted with the conditions associated with an abnormally high level of platelets in the blood – thrombocythemia (when the cause is unknown), and thrombocytosis (when the cause is known). [6] [7]

  3. Thrombocythemia - Wikipedia

    en.wikipedia.org/wiki/Thrombocythemia

    In hematology, thrombocythemia is a condition of high platelet (thrombocyte) count in the blood. Normal count is in the range of 150 × 10 9 to 450 × 10 9 platelets per liter of blood, [1] but investigation is typically only considered if the upper limit exceeds 750 × 10 9 /L.

  4. Pseudothrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Pseudothrombocytopenia

    A pseudothrombocytopenia false-positive result may occur when automated platelet counting devices are used. As a means of double checking the results, the patient's blood sample is often examined under a microscope. If the clumping is visible and the number of platelets appears normal, pseudothrombocytopenia may be concluded.

  5. Platelet - Wikipedia

    en.wikipedia.org/wiki/Platelet

    Platelet concentration in the blood (i.e. platelet count), can be measured manually using a hemocytometer, or by placing blood in an automated platelet analyzer using particle counting, such as a Coulter counter or optical methods. [47] Most common blood testing methods include platelet count in their measurements, usually reported as PLT. [48]

  6. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Platelet count (Plt) A few values are for inside red blood cells only: Vitamin B 9 (folic acid/folate) in red blood cells; Mean corpuscular hemoglobin concentration ...

  7. Thrombotic thrombocytopenic purpura - Wikipedia

    en.wikipedia.org/wiki/Thrombotic...

    Thrombotic thrombocytopenic purpura (TTP) is a blood disorder that results in blood clots forming in small blood vessels throughout the body. [2] This results in a low platelet count, low red blood cells due to their breakdown, and often kidney, heart, and brain dysfunction. [1]

  8. Heparin-induced thrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Heparin-induced...

    This results in platelet activation and the formation of platelet microparticles, which initiate the formation of blood clots; the platelet count falls as a result, leading to thrombocytopenia. [1] [7] In addition, the reticuloendothelial system (mostly the spleen) removes the antibody-coated platelets, further contributing to the thrombocytopenia.

  9. Platelet storage pool deficiency - Wikipedia

    en.wikipedia.org/wiki/Platelet_storage_pool...

    Platelet storage pool deficiency is a family of clotting disorders characterized by deficient granules in platelets. Individuals with these disorders have too few or abnormally functioning alpha granules , delta granules , or both alpha and delta granules and are therefore unable to form effective clots, which leads to prolonged bleeding.

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