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During monitoring or reviewing, the fetal monitoring trace window displays two types of traces: FHR trace,
and TOCO trace. The FHR 1, FHR 2 and FHR 3 traces in one patient’s (bed’s) fetal monitoring display
means triple FHRs, and FHR 1& FHR 2 traces in one patient’s (bed’s) fetal monitoring display means twin
FHRs
1) FHR Trace
The y-axis of the trace indicates the numerics of FHR. The range is 30 bpm ~ 240 bpm (American standard)
or 50 bpm ~ 210 bpm (International standard).
2) TOCO trace
The y-axis indicates the numeric of TOCO. The range is 0% ~ 100%.
3) Fetal monitoring shortcut menus
Besides, some other symbols appear among the traces:
Zoom in or out
Increase or decrease the FHR traces speed on the scree
Show the traces on the screen forth or back
Print
Turn on the Voice for FHR
Turn off the Voice for FHR
Tools menu, including the submenus of Patient information, Record List, Alarm list and Analysis
result
8.12.2 Data Saving
When the START key is pressed, the monitor saves data of the previous ID in a file, and then clears it from
the main interface. The main interface only displays the new patient’s data. During monitoring, the data is
saved every 10 minutes. All data of the same patient is saved in a file. The files are stored in the monitor.
When the data amount reaches the maximum capacity (800 files), the monitor deletes the oldest file(s)
automatically.
8.12.3 CTG Analysis
CTG analysis aims at a real-time trace, providing some reference data for the physicians. It only analyzes the
real-time trace after it’s been printed for 10 minutes, and the longest duration is 60 minutes.
WARNING:
1) CTG analysis is used for the surveillance of pregnancies and not in delivery room of childbirth.
2) CTG analysis is just an analysis intended to assist the physicians in interpreting the waveforms.
Conclusions should be drawn on the basis of the physicians’ diagnosis.
3) This analysis describes the fetal heart rate, the tocography and the fetal movements. It’s the
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