A3.6 Troubles With Contractions Monitoring (External); A3.7 Troubles With Contractions Monitoring (Internal); A3.8 Big Ecg Signal Interference Or Thick Baseline - EDAN F9 User Manual

F9, F9 Express Fetal & Maternal Monitor User Manual

A3.6 Troubles with Contractions Monitoring (External)

Phenomenon
Bad trace quality or
fluctuant TOCO baseline
Too high
sensitivity (higher than
100 unit)

A3.7 Troubles with Contractions Monitoring (Internal)

Phenomenon
No trend
No pressure change
when uterine contraction
Only see the IUP peak
but no baseline
The trend is a beeline

A3.8 Big ECG Signal Interference or Thick Baseline

Phenomenon
Big ECG
interference or
baseline
Possible Cause
The belt is too tight or too loose.
The belt has no elasticity.
Maternal movement.
Frequent fetal movements.
TOCO The body pressure from uterus to
TOCO transducer is far higher
than the average numeric.
Possible Cause
The intrauterine
jammed
"Dry" environment or the tip of
intrauterine catheter is placed
extraovularly
Zero adjustment is wrong
The connector failure.
Possible Cause
Abnormal electrodes placing or
electrodes invalidation.
signal
The cable connector is not well
thick
connected.
Power socket has no standard
ground wire.
Adjust the belt.
Renew the belt.
Request the patient to calm
down and stay still.
Delay the monitoring.
Insure favorable contact for
patient
transducer. Change the position
of
necessary.
catheter is
Wash with disinfector
Wash with disinfector or change
the position of transducer
Zero the system
Move or contact catheter. If
trend no fluctuation, change
intrauterine cable.
Check the electrodes placing
and the period of validity of
electrodes.
Check the connection of cable
connector.
Check if power socket has
standard ground wire.
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Troubleshooting
Solution
skin with TOCO
TOCO transducer,
Solution
Solution
if