GE Corometrics 250cx Series

Revision C 250cx Series Maternal/Fetal Monitor 5-7
2036946-001
Fetal Heart Rate Monitoring: Fetal Heart Rate Alarms
FHR High Alarm
The simplest example of a high FHR alarm occurs when the FHR value is
continuously greater than the threshold (high limit) for 5 minutes. When data
consistently violates the limit, the time-to-alarm is 5 minutes.
High FHR Alarm Example
FHR Low Alarm
The simplest example of a low FHR alarm occurs when the FHR value is
continuously less than the threshold (low limit) for 30 seconds. When data
consistently violates the limit, the time-to-alarm is 30 seconds.
Low FHR Alarm Example
FHR (bpm)
alarm activates
Time (minutes)
high alarm limit
(threshold)
FHR (bpm)
alarm activates
Time (minutes)
low alarm limit
(threshold)