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Pharm anti-coags
| Question | Answer |
|---|---|
| What do anti-coagulants target? | thrombosis; excessive hemostasis |
| What side effect do all anti-coagulants have? | increased bleeding risk |
| What is blood hemostasis? | regulated process of maintaining blood fluidity, repairing vascular injury and limiting blood loss |
| What are 4 ways the body maintains hemostasis? | local vasoconstriction, primary hemostasis/platelet plug, secondary coagulation/thrombus, and fibrinolysis/degradation of blood clot |
| Primary Hemostasis | in response to vascular injury: subendothelial matrix proteins are exposed |
| What is Thromboxane A2 synthesized from? By what? | arachadonic acid by COX-1 |
| What is TXA2? | a potent vasoconstrictor and platelet activator |
| The conformational change in the glycoprotein IIb/IIIa receptor results in? | fibrinogen binding |