7-2
7.2 Alarm Levels
By severity, the patient monitor’s alarms can be classified into three categories: high level,
medium level and low level.
Physiological alarms Technical alarms
High
level
Indicate that your patient is in a
life threatening situation, such
as Asystole, Vfib/Vtac and so
forth, and an emergency
treatment is demanded.
Indicate a severe device malfunction or an
improper operation, which could make it possible
that the monitor cannot detect critical patient status
and thus threaten the patient’s life.
Medium
level
Indicate that your patient’s vital
signs appear abnormal and an
immediate treatment is
required.
Indicate a device malfunction or an improper
operation, which may not threaten the patient’s life
but may compromise the monitoring of vital
physiological parameters.
Low
level
Indicate that you patient’s vital
signs appear abnormal and an
immediate treatment may be
required.
Indicate a device malfunction or an improper
operation, which may compromise a certain
monitoring function but will not threaten the
patient’s life.
7.3 Alarm Indicators
When an alarm occurs, the patient monitor will indicate it to the user through visual or
audible alarm indications.
 Alarm lamp
 Alarm message
 Flashing numeric
 Audible alarm tones
7.3.1 Alarm Lamp
If a technical alarm or physiological alarm occurs, the alarm lamp will flash. The flashing
color and frequency match the alarm level as follows:
 High level alarms: the lamp quickly flashes red.
 Medium level alarms: the lamp slowly flashes yellow.
 Low level physiological alarms: the lamp turns yellow without flashing.
 Low level technical alarms: the lamp does not light.
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