Hematology
肝素诱导性血小板减少症
Heparin Induced ThrombocytopeniaHeparin induced thrombocytopenia (HIT) is an immune-mediated disorder triggered by heparin exposure, leading to antibodies against heparin-platelet factor 4 complexes. / 肝素诱导性血小板减少症（HIT）是一种由肝素暴露引起的免疫介导疾病，导致对肝素-血小板因子4复合物的抗体产生。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-28 21:00:37
Sub-knowledge points
Immune-mediated disorderAntibody production against H-PF4 complexesDiagnostic hierarchy among immunoassaysRole of 4T score in ruling out HIT
Higher-order knowledge points
Heparin Induced Thrombocytopenia / 自然理论Laboratory diagnosis of HITPlatelet factor 4Heparin-platelet factor 4 complexes
Main parameters and performance indicators
4T score: Pre-test probability scoreH-PF4 complexes: Antigen targetsImmunoassays: ELISA, CLIA, LIAFunctional assay: HIPA
Open problems
Standardizing diagnostic performance across different immunoassaysOptimizing the integration of immunoassays with clinical probability scoresAddressing the lack of sufficient samples for functional assays
Related literature
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Creation and modification trail
1 recordsRecord title: Heparin Induced Thrombocytopenia.
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