Revision C 250cx Series Maternal/Fetal Monitor 10-7
2036946-001
Alarms: Maternal Alarms
Resolved Signal Quality Alarm
Resolved signal quality alarms function like most other 250cx Series alarms. As
soon as an alarm condition is resolved, both the visual and audible indications
automatically disappear.
Silencing an FHR Audio Alarm
Press the Alarm Silence button to cancel the audio; however, the visual indication
remains until the condition is resolved.
Maternal Alarms
Maternal Patient Alarms
A maternal patient alarm occurs when a parameter value falls outside of the pre-
defined alarm limits—greater than the high limit setting or less than the low limit
setting.
For MHR/P, the value used for analysis comes from the selected MHR/P source.
For Ohmeda and Masimo MSpO
2,
the value must be out of range for 8 seconds. For
Nellcor MSpO
2,
the range depends upon the SatSeconds setting. Refer to
SatSeconds in the “Maternal Pulse Oximetry Monitoring” Section
for more
information.
Active Patient Alarm
A patient alarm is indicated both visually and audibly. The visual indication is
provided by flashing the associated numeric. The audio alarm consists of alternating
high/low tones.
For MSpO
2
, the MSpO2 value and accompanying pulse rate are printed on the strip
chart paper.
Resolved Patient Alarm
The visual and audible indications automatically disappear as soon as the condition
is resolved.
Signal Quality Alarms
If the monitor is unable to detect an acceptable signal, a signal quality alarm is
provided.
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