Primary haemostasis (platelet-vessel wall interaction) |
Thrombocytopaenia |
Elevated levels of Von Willebrand factor |
Platelet function defects |
Decreased levels of ADAMTS-13 |
Increased nitric oxide and prostacyclin |
Platelet hyper reactivity |
Secondary haemostasis (thrombin generation and inhibition) |
Low levels of factors II, V, VII, IX, X, XI |
Increased factor VIII |
Vitamin K deficiency |
Decreased protein C, S, AT-III, alpha 2 macroglobulin, heparin co-factor II |
Fibrinolysis |
Low levels of alpha 2 anti-plasmin, factor XIII, thrombin activatable fibrinolysis inhibitor |
Low levels of plasminogen |
Elevated tissue plasminogen activator |
High levels of plasminogen activator inhibitor |
Dysfibrinogenaemia |