7.2 Alarm Types
Alarms generated by the monitor are classified into physiological and technical alarms.
Physiological alarms
A physiological alarm is generated when a certain physiological parameter of the patient is beyond the high/low
alarm limit or the patient has a physiological disorder. Physiological alarm messages are displayed in the
physiological alarm area in the upper part of the screen.
Technical alarms
A technical alarm is triggered when the monitor does not operate normally or the monitoring result is unreasonable
due to improper operation or system failure. A technical alarm message is displayed in the technical alarm area in
the upper part of the screen.
NOTE: In addition to physiological and technical alarms, the monitor also shows prompt messages about system
status. Generally, these messages shown in the system message area are not related to vital signs of the patient,
and are distinguished from alarm messages.
7.3 Alarm Priority
High-priority alarm: The patient is in a critical condition or the device has a serious failure, and a immediate
response is necessary
Medium-priority alarm: The patient’s physical signs are abnormal, the device has a failure or has been
misoperated, and a timely response is necessary
Low-priority alarm: The patient’s physical signs are abnormal, the device has a failure or has been misoperated,
and the user is required to understand the current situation
Prompt messages: Information on the patient and system status should be provided.
7.4 Alarm Signals
7.4.1 Alarm indicator light
The alarm indicator lights will indicate different priorities of alarms generated in different colors and flashing
frequencies.
High-priority alarm: Red, fast flashing frequency
Medium-priority alarm: Yellow, slow flashing frequency
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