Product Manual

4077-INS-LAB-RevB09 35
Monitoring contractions
Symptom Possible Cause Solution
Poor trace quality or fluctuating
TOCO baseline
1)Belt is too tight
2)Belt is too loose
3)Belt has insufficient
elasticity
4)Fetal movement
5)Maternal movement
1)Loosen belt until signal is normal
2)Tighten belt until signal is normal
3)Ensure that belt has been correctly posi-
tioned; replace if necessary
4)Retry
5)Ensure that patient is comfortable and relaxed
TOCO sensitivity > 100 units Body pressure from uterus
to TOCO transducer is far
higher than the average
value
Ensure that TOCO transducer has sufficient
contact with patient skin. Reposition TOCO
transducer, if necessary