trauma.ai
Clinical Decision Support

ROTEM A5 Calculator

Viscoelastic-guided hemostatic resuscitation. Enter the ROTEM A5 parameters to receive product-specific recommendations based on the Görlinger A5 algorithm.

Algorithm A5 v1.0
Trauma / Bleeding

ROTEM Parameters

Required values
EXTEM & FIBTEM
Fibrinogen contribution
Check tracing; ≥600 s = flatline
Clot amplitude at 5 min
Max lysis over the 60-min run; leave blank if unavailable
Coagulation time
INTEM & HEPTEM
Intrinsic pathway CT
Leave blank if HEPTEM not run
Patient weight Optional — enables dosing
Used to calculate cryo & FFP doses

Recommendations

Awaiting input
Enter ROTEM parameters and select Calculate to view product-specific recommendations.