5-4 250cx Series Maternal/Fetal Monitor Revision C
2036946-001
Fetal Heart Rate Monitoring: FECG (Internal Method)
Alert
This field controls and shows Spectra Alerts. Refer to Appendix C for more
information.
Alarm Volume
This field controls the alarm volume for all fetal alarms.
FECG (Internal Method)
Methodology
This method uses an electrode attached directly to the fetal presenting part. The
electrode is connected to the cable/legplate secured to the mother. The fetal heart
rate is computed based upon the interval between successive R-wave peaks of the
fetal QRS complex.
The fetal heart rate is displayed in bpm and is continuously plotted on the strip chart
recorder paper if the recorder is on. (Refer to “US/US2 Setup Screen” on page 5-3.)
The heartbeat indicator flashes for each detected heartbeat.
Artifact Elimination
An FECG artifact elimination option is available behind the password-protected
Service Lock screen on all 250cx Series Monitors.