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Coagulation

Coagulation laboratory tests

Low molecular weight heparin (LMWH)


Reviewer: Jeremy Parsons, M.D. (see Reviewers page)
Revised: 10 February 2013, last major update November 2012
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.

General
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● Recommended to monitor using chromogenic antifactor Xa assay on specimens obtained up to 4 hours after subcutaneous injection of LMWH (Chest 2001;119(1 Suppl):64S)
● Recommended to use different calibrations for LMWH and unfractionated heparin, and to establish calibration curves for each lot and type of LMWH
● Donít use PTT to monitor because LMWH doesnít affect thrombin or factor IXa

End of Coagulation > Coagulation laboratory tests > Low molecular weight heparin (LMWH)


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