International normalized ratio and activated partial thromboplastin time testing
Nicholas L.J. Chornenki, Michael Fralick, Michelle Sholzberg
Abstract
[See related article at www.cmaj.ca/lookup/doi/10.1503/cmaj.221102][1] The INR and aPTT should be used only for specific clinical indications (see Appendix 1, available at [www.cmaj.ca/lookup/doi/10.1503/cmaj.220629/tab-related-content][2]).[1][3] The INR and aPTT have poor sensitivity (1.0%–2.1
Topics & Concepts
Partial thromboplastin timeMedicineProthrombin timeThromboplastinInternal medicineCoagulationTrauma, Hemostasis, Coagulopathy, ResuscitationHemophilia Treatment and ResearchHealthcare cost, quality, practices