Table 1 Nomenclature of TEG and ROTEM
From: Thrombelastography and tromboelastometry in assessing coagulopathy in trauma
Parameter | TEG® | ROTEM® |
|---|---|---|
Clot time | Â | Â |
   Period to 2 mm amplitude | R (reaction time) | CT (clotting time) |
Clot kinetics | Â | Â |
   Period from 2-20 mm amplitude | K (kinetics) | CFT (clot formation time) |
   α-angle | α (slope between R and K) | α (slope of tangent at 2 mm amplitude) |
Clot strength | Â | Â |
   Maximum strength | MA (maximum amplitude) | MCF (maximum clot firmness) |
   Clot elasticity | G | MCE (maximum clot elasticity) |
Clot lysis | Â | Â |
   Lysis (at fixed time) | Ly30, Ly60 (amplitude reduction 30/60 min after MA) | CL30, CL60 (amplitude reduction 30/60 min after MCF) |