Heparin and Low Molecular Weight Heparin (LMWH)–Mediated Inactivation of Thrombin or Factor Xa 

 - Interaction of antithrombin with heparin and LMWH is mediated by a pentasaccharide sequence.

 - Unfractionated heparin accelerates interaction of antithrombin with both thrombin and factor Xa. 

 - LMWH selectively accelerates interaction of antithrombin with factor Xa



#Heparin #LMWH #Pharmacology