CADENCE II Fetal Monitor User Manual
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7.2.6 Switching the Probe Detecting Alarm On or Off
The monitor detects if the US transducer is well connected. When the transducer is unplugged,
the monitor gives an alarm. You can switch this alarm on or off.
1 Press the SETUP key twice to open the Alarm Configuration menu.
2 Press the UP key or DOWN key to move the cursor to Probe (FHR1 Alert or FHR2 Alert);
press the CHANNEL key.
3 Press the UP key or DOWN key to toggle between On and Off (default).
4 Press the CHANNEL key to confirm selection.
5 Press the AUTO key to exit.
7.2.7 Switching the FHR Signal Quality Alarm On or Off
When the FHR signal from the US transducer is too weak for the system to process analysis, the
monitor gives an alarm. You can switch this alarm on or off.
1 Press the SETUP key twice to open the Alarm Configuration menu.
2 Press the UP key or DOWN key to move the cursor to Quality (FHR1 Alert or FHR2
Alert); press the CHANNEL key.
3 Press the UP key or DOWN key to toggle between On and Off (default).
4 Press the CHANNEL key to confirm selection.
5 Press the AUTO key to exit.
7.3 Monitoring FHR with DECG (optional)
7.3.1 Contraindications
The fetal spiral electrode can be used when amniotic membranes are adequately ruptured and
sufficient cervical dilatation is ensured. The fetal electrode tip is designed to penetrate the
epidermis of the fetus; therefore, trauma, hemorrhage and/or infection can occur. The electrode
should be used with strict adherence to aseptic technique.
The fetal spiral electrode should not be applied to the fetal face, fontanels or genitalia.
Do not apply the fetal spiral electrode when placenta previa is present; when the mother has
visible genital herpes lesions or reports symptoms of prodromal lesions; when the mother is HIV
sero-positive; when mother is a confirmed carrier of hemophilia and the fetus is affected or of
unknown status; or when it is not possible to identify fetal presenting part where application is
being considered. This method is not recommended when fetus is extremely premature, or in the
presence of a maternal infection such as Hepatitis B, Group B hemolytic strep, syphilis or
gonorrhea, unless a clear benefit to the fetus or mother can be established.
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