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2. Embolic and thrombotic events after COVID-19 vaccination

   en.wikipedia.org/wiki/Embolic_and_thrombotic...

   The rare simultaneous occurrence of thrombocytopenia (low blood platelets) with blood clots after vaccination raised the original concern about this condition. [citation needed] In many cases where acute thrombosis and thrombocytopenia have been found together after COVID‑19 vaccination, an antibody against platelet factor 4 has been ...

3. Heparin-induced thrombocytopenia - Wikipedia

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

   In 2021 a condition resembling HIT but without heparin exposure was described to explain unusual post-vaccination embolic and thrombotic events after the Oxford–AstraZeneca COVID-19 vaccine. [20] [21] [22] It is a rare adverse event (1:1 million to 1:100,000) resulting from COVID-19 vaccines (particularly adenoviral vector vaccines). This is ...

4. Platelet transfusion - Wikipedia

   en.wikipedia.org/wiki/Platelet_transfusion

   Several studies have now assessed the benefit of using preventive platelet transfusions in adults with dengue who have profound thrombocytopenia (platelet count < 20 x 10 9 /L. [17] There is no evidence that this reduce the risk of bleeding, but there is evidence that they increase the risk of harm due to the platelet transfusion (increased ...

5. What Doctors Want You to Know About Getting the New COVID-19 ...

   www.aol.com/doctors-want-know-getting-covid...

   The updated COVID-19 vaccine is now available. Infectious disease doctors recommend being smart about the timing of your shot. You can expect similar side effects to the previous vaccines if you ...

6. Platelet transfusion refractoriness - Wikipedia

   en.wikipedia.org/wiki/Platelet_transfusion...

   Platelet transfusion refractoriness is the repeated failure to achieve the desired level of blood platelets in a patient following a platelet transfusion. The cause of refractoriness may be either immune or non-immune. Among immune-related refractoriness, antibodies against HLA antigens are the primary cause.

7. 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.