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Troubleshooting
External Toco Monitoring
Problem
Quality of the trace deteriorates
or the Toco baseline varies.
Toco sensitivity is too high
(above 100 units).
Toco trace is exceeding the paper
scale.
Toco EQUIP MALF
is displayed.
Toco UNPLUGGED
is displayed.
If you suspect the signal from the transducer.
Possible Causes
The belt is incorrectly fastened and is
too slack or too tight or the belt has lost
its elasticity.
Fetal movement.
Maternal respiration superimposed on
trace.
Maternal movement/change of position. Following maternal movement, reset
Physical transmission of pressure from
the uterus to the sensor is much higher
than the average value.
14 Monitoring Uterine Activity Externally
Solutions
The belt must be tight enough to ensure
good contact between the patient's skin
and the entire surface of the transducer
without causing discomfort. Ensure you
are using the correct belt. Adjust it as
necessary.
Check the belt is correctly fastened (see
above) and adjust as necessary.
Reposition the transducer and reset the
Toco baseline if necessary.
Check belt is not too loose.
Toco baseline.
The belt must be tight enough to ensure
good contact between the patient's skin
and the entire surface of the transducer
without causing discomfort. Ensure you
are using the correct belt. Adjust it as
necessary.Ensure a good contact
between the patient's skin and the entire
surface of the transducer. Reposition
transducer if necessary.
Ensure the belt is not too loose. The belt
must be tight enough to ensure good
contact between the patient's skin and
the entire surface of the transducer
without causing discomfort. Ensure you
are using the correct belt. Adjust it as
necessary.
Select 50% Toco sensitivity.
See the chapter "Patient Alarms and
INOPs" on page 73.
See the chapter "Patient Alarms and
INOPs" on page 73.
Test the Transducer (see "Testing Toco
Transducers" on page 132 below).
131
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Table of Contents
Troubleshooting
