Introduction to the TEG
(Thromboelastograph)

Index

Basics
Examples
Normal
Heparin
Thrombocytopaenia
Fibrinolysis
Hypercoagulation
No Platelet Function
 

 



 
Symbol Value Normal/Unit
r Reaction time 6 - 8 min
r + k Coagulaton time 10 - 12 min
alpha Clot formation rate >50 deg
MA Maximum Amplitude 50 - 70 mm
A60 Amplitude at 60 min after MA  
(A60/MA)*100 Whole blood clot lysis index >85 %
F Whole blood clot lysis time >300 min


TEG Examples

 


 

1 Normal
R,K,MA,Angle Normal

 

 


 

2 Heparin
R,K Prolonged
MA,Angle Decreased

 

 


 

3 Thrombocytopaenia
R Normal
K Prolonged
MA Decreased

 

 


 

4 Fibrinolysis
R Normal
MA Continuous decrease

 

 


 

5 Hypercoagulation
R,K Decreased
MA,Angle Incrased

 

 


 

6 No Platelet Function
R Prolonged
MA,Angle Decreased

 
 
 
 
 
Homepage:-  https://gasline.tripod.com/
Created:-  25 Mar 1999
Updated:-  25 Mar 1999
Author: nkw