Anticoagulation and Antiplatelet Drugs Flashcards
P2y12 Receptor Antagonists Dboule MOA to suppress Platelet Activation/aggregation
- Prevent Glyco 2B/3a
- Block COX-1
Clopidogrel, Prasugrel, Ticagrelor, and Cangrelor are all _____ _____ Antagonists
P2y12 Receptor
Protamine reverses which drug’s effects?
Unfractionated Heparin
3 Main uses of UFHeparin
- Unstable Angina
- Acute MI
- Venous Thromboembolis
2 Indications for Rivaroxaban Direct Xa Inhib?
Prevent Stroke or Treat VTE
Out of the 4 P2Y12R antagos, which are IRR?
Clopi and Prasu
Alteplase is a mimic of _____ _____
Human Tissue Plasminogen Activator (t-PA)
Vorapaxar MOA
PAR-1 Thrombin Receptor Inhibitor (stop platelet aggreg)
3 Gp2b/3a inhibitors
- Abciximab
- Eptifabatide
- Tirofiban
Aspirin is a permanent _____ inhibitor, via ACETYLATION
COX-1
2 Main contraindications of Alteplase (TPA).
- Head/Brain Bleeds
2. Active Bleed
Warfarin MOA
Inhibits Vitamin K Reductase (VKOR)
2 main toxicities of UFHeparin
- Bleeding
2. Thrombocytopenia
t-PA function
Lyse thrombi
Aspirin blocks COX-1, which blocks _____ production and Platelet aggregation
TxA2
Prototypical Direct Xa inhibitor that reduces Thrombin generation, platelet aggregation, and fibrin formation.
Rivaroxaban
Prototypical VKOR inhibitor
Warfarin
6 Clotting factors that need Vitamin K (Warfarin’s Target)
- 2
- 7
- 9
- 10
- Protein C
- Protein S
Streptokinase 2 MOA
- turn Plasminogen into plasmin
- Degrade fibrin
How to reverse Unfractionated Heparin?
Protamine
Why are people so “fond” of Fondaparinux?
It can be safely used with pts with history of Hep-induced thrombocytopenia
2 main Indication of Aletplase (TPA)
- Severe DVT or PE
2. Ischemic Stroke
Out of the 4 P2Y12R antagos, which are Reversible?
Tica and Cangre
Gp2b/3a inhbit 2 indications
- STEMI
2. (only Tiro) Non-ST elevation
4 P2Y12 Receptor Antagonists
- Clopidogrel
- Prasugrel
- Ticagrelor
- Cangrelor
Prototypical Thrombin site blocker that reks Fibrin formation, platelet activation, and suppresses feedback goag
Dobigatran
Dobigatran 2 MOA
Competetively and Reversibly block Thrombin
- Less Fibrin formation
Abciximab, eptifabatide, and Tirofiban are all _______ inhibitors
Gp 2b/3a inhibs
2 LMW Heparin
- Enoxaparin
2. Fondaparinux
Enoxaparin and Fondaparinux are both _______
LMW Heparin
Rivaroxan MOA
Direct Xa Inhibitor
Anistreplase MOA
- human plasminogen and streptokinase activation
fibinolytic
Unfractionated heparin triple MOA
- Irrev Bind AntiThrombin
- Inhibit Factor 2a
- Inhibit Factor Xa
UFHep vs LMW Hep MOA
LMW only inbhibits Factor Xa, NOT THROMBIN