ANTICOAGGGGGGG Flashcards
What medication falsely elevates INR?
Argatroban
-IV direct thrombin inhibitor
-overlap with warfarin until INR is below(or equal to) 4
What medication dosage adjustment is based on Hepatic function?
Argatroban
What medication should NOT be used prophylactically with low body weight (<50kg)?
Fondaparinux (SubQ)
-do not use if CrCl <30mL/min
-used in HIT
Is monitoring required for Enoxaparin?
No
-consider in special populations (anti Xa levels)
is monitoring required for unfractionated Heparin?
Yes
-aPTT goal is 1.5-2.5x time control
approved indications for Dabigatran (Pradaxa)
postoperative prophylaxis (HIP ONLY); afib; DVT/PE treatment
approved indications for Rivaroxaban (Xarelto)
postoperative prophylaxis, afib; DVT/PE treatment, secondary prevention of recurrent DVT/PE, VTE prophylaxis
approved indications for Apixaban
postoperative prophylaxis; afib; DVT/PE; secondary prevention of recurrent DVT/PE
approved indications for Edoxaban
afib; DVT/PE treatment
what do CYP2C9 mutations mean for the Warfarin dose requirement?
lower dose requirement
what do 1639A mutations mean for the Warfarin dose requirement?
increased warfarin sensitivity
-lower dose requirement
what do 1639G mutations mean for the Warfarin dose requirement?
increased warfarin resistance
-higher dose requirement
What is the reversal agent for UFH and LMWH?
Protamine Sulfate
What is the reversal agent for dabigatran?
Idarucizumab
What is the reversal agent for Apixaban and Rivaroxaban?
Andexanet alfa (Andrexxa)