Patient Monitor User Manual Alarms
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Chapter 4 Alarms
WARNING
A potential hazard can exist if different alarm presets are used for the same or similar
equipment in any single area, e.g. an intensive care unit or cardiac operating room.
4.1 Alarm Category
The monitor provides two types of alarm: physiological alarms and technical alarms. Also, the
monitor provides prompts.
4.1.1 Physiological Alarms
If one or several physiological parameters of the currently monitored patient exceed the
predefined alarm limit, the monitor will give an alarm, and this type of alarm is called
physiological alarms. About the detailed alarm information, please refer to the Section
Physiological Alarm Information.
4.1.2 Technical Alarms
If one or several technical status of the device is in abnormal status, the monitor will give an
alarm. And this type of alarm is called technical alarms. Technical alarms can’t be disabled.
About the detailed alarm information, please refer to Section Technical Alarm Information.
4.1.3 Prompts
The monitor can give the character indication of monitoring process or other functions. And this
character is called prompts. About the detailed alarm information, please refer to Section
Prompts.
4.2 Alarm Levels
In terms of severity, the device’s alarm levels can be classified into three categories: high level
alarms, medium level alarms and low level alarms.
1. High level alarms
A high level alarm intensively warns the operator of a high priority alarm condition which
requires immediate operator response. Failure to respond to the cause of the alarm condition
is likely to result in death or irreversible injury of the patient.
2. Medium level alarms
A medium level alarm warns the operator of a medium priority alarm condition which
requires prompt operator response. Failure to respond to the cause of the alarm condition is
likely to result in reversible injury of the patient.
3. Low level alarms
A low level alarm reminds the operator of a low priority alarm condition which requires
response. And the response time for a low priority alarm condition can be greater than that for
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