Table 1.

Definition and normal range of TEG parameters

Parameter	Definition	Normal range
R‐time	Latency of clot formation	2.5‐7.5 minute
K‐time	Kinetics of fibrin formation (time from initial clot formation to an amplitude of 20 mm)	0.8‐2.8 minute
α‐Angle	Kinetics of fibrin formation (rate of fibrin formation and cross‐linking on platelets)	55.2‐78.4 degrees
Maximum amplitude	Maximum clot firmness	50.6‐69.4 mm
Lysis 30	Fibrinolysis 30 minute from maximum amplitude	0.0‐7.5%