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heparin-induced-thrombocytopenia
Heparin-Induced Thrombocytopenia
Heparin-induced thrombocytopenia (HIT type 2) is an immune thrombocytopenia from anti-PF4/heparin IgG; platelet activation → paradoxical thrombosis. Stop heparin; switch to argatroban/bivalirudin/fondaparinux; avoid warfarin initially. 4T score guides clinical probability.
Entry Metadata
| Field | Value |
|---|---|
| ID | heparin-induced-thrombocytopenia |
| Name | Heparin-Induced Thrombocytopenia |
| Status | draft |
| Last reviewed | 2026-06-08 |
| Atlas | 01-human |
| Scale | 07-system |
Cross-Atlas Connections
connects-toPf4
connects-toPlatelet
connects-toThrombin
connects-toVenous Thromboembolism
connects-toAntithrombin
connects-toImmunoglobulin G
connects-toEndothelial Cell
connects-toInherited Thrombophilia
connects-toPnh
connects-toAntiphospholipid Syndrome
connects-toStroke
connects-toImmune Thrombocytopenia
connects-toDisseminated Intravascular Coagulation
connects-toCovid 19 Disease
connects-toThrombotic Thrombocytopenic Purpura
connects-toComplement C3
connects-toCardiovascular System
connects-toMacrophage
connects-toComplement C5
connects-toLung
connects-toB Cell
connects-toSpleen
connects-toNeutrophil
connects-toSerotonin
connects-toSkin
connects-toT Helper Cell
connects-toFibrinogen
connects-toCalcium
connects-toDendritic Cell
connects-toBrain
connects-toAdrenal Gland
connects-toOxygen
connects-toPhoton
connects-toHeart
connects-toVon Willebrand Factor
connects-toBone Marrow
connects-toKidney
connects-toElectron
connects-toAntibody
connects-toLiver
connects-toNeuron
connects-toSmooth Muscle Cell
connects-toEye
connects-toReproductive System
connects-toCardiomyocyte
connects-toCkd
connects-toAtherosclerosis
connects-toMast Cell
connects-toFcrn
connects-toSepsis
connects-toPlasma Cell
connects-toNf Kb
connects-toPulmonary Arterial Hypertension
connects-toHeart Failure
connects-toAnemia Of Chronic Disease
connects-toPolycythemia Vera
connects-toWound Healing
connects-toPtsd
connects-toMajor Depressive Disorder
connects-toIntegumentary System
connects-toEndocrine System
connects-toGeneralized Anxiety Disorder
connects-toImmune System
connects-toRespiratory System
connects-toDigestive System
connects-toNervous System
connects-toRenal System
connects-toMusculoskeletal System
connects-toWarfarin
connects-toAhus
connects-toStaphylococcus Aureus
connects-toArterial Wall
connects-toMyocardium
connects-toEssential Thrombocythemia
connects-toHemophilia A
connects-toGlomerulus
connects-toAlveolus
connects-toHepatic Lobule
connects-toGerminal Center
connects-toPancreatic Cancer
connects-toProtein C
connects-toPeripheral Nerve
connects-toMyelofibrosis
connects-toAkt
connects-toNlrp3 Inflammasome
connects-toTnf Alpha
connects-toPdgf
connects-toFibronectin
connects-toCxcl12
connects-toProstaglandins
connects-toCcl2
connects-toNitric Oxide
connects-toS100A8 A9
connects-toBaff
connects-toTlr4
connects-toHif 1Alpha
connects-toIl 6
connects-toCaspase 3
connects-toSrc Kinase
connects-toThrombopoietin
connects-toC5Ar1
connects-toMyd88
connects-toErk1 2
connects-toPik3Ca
connects-toGalectin 3
connects-toStat3
connects-toCgas Sting
connects-toJak1 2
connects-toStat1
connects-toFoxo
connects-toGsk 3B
connects-toMtor
connects-toEndothelin 1
connects-toCcr5
connects-toAutophagy
connects-toAmpk
connects-toDnmt3A
connects-toIl 1B
connects-toCd20
connects-toIl 33
connects-toIl 17A
connects-toCalcineurin
connects-toMhc Class Ii
connects-toCtla 4
connects-toVegf
connects-toTroponin Complex
connects-toIl 2
connects-toIl 4
connects-toIl 10
connects-toIl 13
connects-toXanthine Oxidase
connects-toAdenosine
connects-toHistamine
connects-toZinc
connects-toRegulatory T Cell
connects-toPd 1
connects-toType I Interferon
connects-toLeptin
connects-toAdiponectin
connects-toResistin
connects-toNatural Killer Cell
connects-toIfn Gamma
connects-toIl 12
connects-toIl 5
connects-toIl 23
connects-toIge
connects-toFactor H
connects-toBradykinin
connects-toT Cytotoxic Cell
connects-toC1 Esterase Inhibitor
connects-toOsteopontin
connects-toTransferrin
connects-toTslp
connects-toErythropoietin
connects-toPeriostin
connects-toMelatonin
connects-toProlactin
connects-toOxytocin
connects-toTestosterone
connects-toVasopressin
connects-toSelenium
connects-toIodine
connects-toSodium
connects-toMagnesium
connects-toCopper
connects-toPhosphorus
connects-toPotassium
connects-toIron
connects-toChloride
connects-toCarbon
connects-toNitrogen
connects-toSulfur
connects-toHydrogen
connects-toGlp 1
connects-toAngiotensin Ii
connects-toWnt Beta Catenin
connects-toRankl
connects-toSmad4
connects-toNotch
connects-toIgf 1
connects-toActivin A
connects-toTgf Beta
connects-toCgrp
connects-toCalcitonin
connects-toSubstance P
connects-toInsulin Receptor
connects-toAldosterone
connects-toAndrogen Receptor
connects-toNorepinephrine
connects-toAdrenomedullin
connects-toBdnf
connects-toFgfr
connects-toEpinephrine
Sources
- Warkentin TE, Greinacher A. Heparin-induced thrombocytopenia: recognition, treatment, and prevention: the Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy. Chest. 2004;126(3 Suppl):311S-337S. · PubMed 15383477
- Greinacher A, Thiele T, Warkentin TE, et al. Thrombotic thrombocytopenia after ChAdOx1 nCov-19 vaccination. N Engl J Med. 2021;384(22):2092-2101. · PubMed 33835769
- Linkins LA, Dans AL, Moores LK, et al. Treatment and prevention of heparin-induced thrombocytopenia: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest. 2012;141(2 Suppl):e495S-e530S. · PubMed 22315270