C-20 250cx Series Maternal/Fetal Monitor Revision C
2036946-001
Spectra Alerts: Alert Parameters
Summary of Alert Parameters
ALERT PARAMETERS SUMMARY ON FHR SETUP SCREEN TREND SCREEN
Parameter Column 1 Column 2 Message Criteria
UA Baseline
Pressure
# mmHg (kPa)
(TOCO)
Uterine activity >40 mmHg (5.3 kPa) for 5
minutes.
No alert.
UA BASELINE SET? appears in Uterine
Activity Display.
# mmHg (kPa)
(IUP)
Hypertonus Uterine activity > 25 mmHg (3.3 kPa) for 5
minutes (7 minutes at start-up).
No alert.
UA BASELINE SET? appears in Uterine
Activity Display.
UA?
Uterine activity > 35 mmHg (4.7 kPa) for 5
minutes.
Alert has not been silenced.
Alert silenced and question resolved.
The alert is deleted after uterine activity is
< 35 mmHg (4.7 kPa) for 5 minutes
UC (Uterine con-
tractions)
in 10 min
# of uterine
contractions
Tachysyst Six uterine contractions completed in 10
minutes, any size, internal or external.
No alert.
If FHR Alert is present.
The alert is deleted if there are < 6 uterine
contractions in 10 minutes.
If # =’blank’ Start-up: No contractions detected for 10
minutes.
Continuous Monitoring: No contractions
detected for 30 minutes.
RECORDING UA? appears in Uterine
Activity Display.
Duration of Last
UC
# seconds
UA?
Alert has not been silenced.
One uterine contraction with amplitude > 50
mmHg above baseline for 60 seconds.
Alert silenced.
The alert is deleted after one “normal”
uterine contraction.
Hypertonus
Hypertonus?
UA?
Tachysyst
Tetanic
Tetanic
UA?