Cardiac Anticoagulant Flashcards
Preferred agent for reversing Xa inhibitors (apixaban rivaroxaban(
andexanet alfa
Agent to reverse dabigatran (direct thrombin (factor IIa) inhibitor)
idarucizumab (praxbind)
Cockroft formula
Ideal Body weight
Adjusted body weight
CHA2DS2-VASc
hasbled score
(3 or higher is considered an increased risk of bleeding)
Scoring for CHADS2-VASc
Reversing enoxaparin with protamine
1 mg of exoxaparin is equal to 100 antiXa units
1 mg of protamine will reverse 1 mg of enoxaparin
1 mg of protamine will reverse 100 units of heparin
if over 8 hours give 1/2 of the protamine dose (enoxaparin)
if over 2 hours give 1/2 of the protamine dose (heparin)
When do you transition from warfarin to apixaban?
wait until INR falls to less than 2
When should edoxaban not be used?
When CrCl is greater than 95 ml/minute
What are the 1st line treatment options for VTE
- rivaroxaban
- apixaban
- warfarin plus LMWH bridge
- edoxaban with LMWH predosing
- dabigatran with LMWH predosing
CHEST guidelines on VTE treatment
DOACS are recommended over vitamin K antagonist such as warfarin, for VTE treatment without an associated cancer diagnosis
If pt on warfarin and being started on amiodarone, the dose should be reduced by how much percent?
30 to 50 %
Triggers for vasoocclusive crisis in patients with sickle cell disease
infections, dehydration, stress, changes in weather