Represents period of time of latency from start to initial fibrin formation due to effects of Factor VIIa and Tissue Factor.
Represents time taken to achieve a certain level of clot strength due to thrombin and activation of platelets (where r-time = time zero)
Measures the speed at which fibrin build-up and cross-linking takes place (clot strengthening), and hence assesses the rate of clot formation.
A function of the maximum dynamic properties of fibrin and platelet bonding via GPIIb/IIIa and represents the strongest point of fibrin clot and correlates to platelet function: 80% platelets; 20% fibrinogen.
This is percentage decrease in amplitude 30 minutes post-MA and gives measure of degree of fibrinolysis
Thromboelastography 
Age adjusted D-dimer
D-dimer
Ankle-brachial index
Capnography
Bubble study
Modified Wells Score
DVT ultrasound