HIT Diagnosis and Laboratory Findings Quiz
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Questions and Answers

Which assay is ELISA based for the detection of Ig antibodies to heparin-PF4 complexes?

  • Platelet count assay
  • Baseline assay
  • Antigen assay (correct)
  • Activation assay

    • What is the range of thrombocytopenia in Heparin-Induced Thrombocytopenia (HIT)?

  • 20 to 100 thousand/mm3 (correct)
  • 100 to 150 thousand/mm3
  • 150 to 200 thousand/mm3
  • Less than 20 thousand/mm3

    • Why are activation assays not available commercially for HIT diagnosis?

  • They are less specific than antigen assays
  • They are more expensive to perform
  • They require advanced laboratory equipment
  • Specific platelet donors are needed each time (correct)

    • Which assay is considered to have greater specificity compared to antigen assay in HIT diagnosis?

    <p>Activation assays</p> Signup and view all the answers

    How is the risk status for HIT assessed?

    <p>By 4Ts</p> Signup and view all the answers

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