rCAST score

Score	0	1	2	3
Initial Rhythm	Shockable	Non Shockable
Witness/ ROSC time	< 20min	20min ≤	No Witness
pH	≥ 7.31	7.30 - 7.16	7.15 - 7.01	7.00 ≥
Lactate (mmol/L)	≤5.0	5.1 – 10.0	10.1 – 14.0	14.1≤
GCS M	≥ 2	1

Result =

Initial rhythm + Wit/until ROSC x (2)+ pH x (2.5) + Lactate x (0.5)+ GCS M x (4.5)

0 ≤ Result< 5.5 : "Low Severity Group"

6 ≤ Result ≤ 14 : "Moderate Severity Group"

14.5 ≤ Result ≤ 18.5 : "High Severity Group"

rCAST