Coagulation Flashcards
What does tissue factor induce?
Prothrombin to thrombin
What does thrombin mediate?
Fibrinogen to fibrin
What two things are needed for haemostasis?
Von Willebrand Factor
Collagen
What does vitamin K do?
It is a procoagulant
Which drug stimulates VWF release in haemostasis?
Desmopressin
What blocks fibrin degradation?
Tranexamic acid
What are venous thrombi high in?
Fibrin
What are arterial thrombi high in?
Platelets
What are the three aspects of Virchows triad?
Abnormal blood flow
Blood vessel damage
Hypercoagubility
How do anticoagulants act as antithrombosis drugs?
Limit thrombin production (factor 11a)
Name three anticoagulants
Warfarin
Heparin
Rivaroxiban/ apixaban
What does Aspirin inhibit?
Cox1
Name anti-platelet drugs
Clopidogrel
Prasugrel
Vorapaxar
Aspirin
How do fibrinolytic drugs work?
Degrade fibrin (clot busters)
What kind of drugs are streptokinase and alteplase?
Fibrinolytic