PARAMETER |
ABNORMAL SIGN |
EVALUATION SCORE |
BASELINE FHR |
110-130 or 160-180 |
1 |
|
bpm <110 or>180 bpm |
3 |
DECELERATION |
|
|
Duration |
> 60 sec |
3 |
Amplitude |
> 50 bpm |
2 |
Dip heart rate |
< 100 bpm |
2 |
Recovery time |
> 40 sec |
3 |
Lag time |
> 40 sec |
3 |
|
No accompanied acceleration |
2 |
|
W-shaped deceleration |
4 |
FHR SCORE = of evaluation scores in 5 min |