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  2. Thrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Thrombocytopenia

    Low levels of platelets in turn may lead to prolonged or excessive bleeding. It is the most common coagulation disorder among intensive care patients and is seen in a fifth of medical patients and a third of surgical patients. [3] A normal human platelet count ranges from 150,000 to 450,000 platelets/microliter (μL) of blood. [4]

  3. Tourniquet test - Wikipedia

    en.wikipedia.org/wiki/Tourniquet_test

    It assesses fragility of capillary walls and is used to identify thrombocytopenia (a reduced platelet count) and is associated with low vitamin C or scurvy. A blood pressure cuff is applied and inflated to the midpoint between the systolic and diastolic blood pressures for five minutes.

  4. Plateletpheresis - Wikipedia

    en.wikipedia.org/wiki/Plateletpheresis

    In a typical set of rules, a platelet donor must weigh at least 50 kg (110 lb) and have a platelet count of at least 150 x 10 9 /L (150,000 platelets per mm³). [2] One unit has greater than 3×10 11 platelets. Therefore, it takes 2 liters of blood having a platelet count of 150,000/mm³ to produce one unit of platelets.

  5. 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).

  6. Thrombotic thrombocytopenic purpura - Wikipedia

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

    Thrombotic thrombocytopenic purpura (TTP) initially presents with a range of symptoms that may include severe thrombocytopenia (platelet count usually < 30,000/mm³), microangiopathic hemolytic anemia (evidenced by schistocytes in the blood smear), and various clinical signs such as petechiae, purpura, neurologic symptoms, myocardial ischemia ...

  7. Immune thrombocytopenic purpura - Wikipedia

    en.wikipedia.org/wiki/Immune_thrombocytopenic...

    Unlike ITP, the platelet count in gestational thrombocytopenia rarely goes below 100,000, and a platelet count below 80,000 is even more rare (seen in less than 0.1% of cases of gestational thrombocytopenia). Also unlike ITP, gestational thrombocytopenia is not a cause of neonatal or maternal bleeding, or neonatal thrombocytopenia. [63]

  8. Neonatal alloimmune thrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Neonatal_alloimmune...

    Neonatal alloimmune thrombocytopenia (NAITP, NAIT, NATP or NAT) is a disease that affects babies in which the platelet count is decreased because the mother's immune system attacks her fetus' or newborn's platelets. A low platelet count increases the risk of bleeding in the fetus and newborn.

  9. Post-transfusion purpura - Wikipedia

    en.wikipedia.org/wiki/Post-transfusion_purpura

    Post-transfusion purpura (PTP) is a delayed adverse reaction to a blood transfusion or platelet transfusion that occurs when the body has produced alloantibodies to the allogeneic transfused platelets' antigens. These alloantibodies destroy the patient's platelets leading to thrombocytopenia, a rapid decline in platelet count. [1]

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