Welch Allyn 300 Series Vital Signs Monitor - User Manual User Manual
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Chapter 4 Alarms and alerts
Welch Allyn Vital Signs Monitor 300 Series
Set alarms for systolic and diastolic blood pressure, pulse rate, and SpO
2
as follows:
1.
Press
.
•
All display windows are blanked, other than the message window and the
SYS window.
•
The message window displays HIGH ALARM.
•
The SYS window displays the current alarm setting for the upper limit of systolic
blood pressure. This setting is a numeric blood pressure level or it is ‘- -’,
indicating that no alarm is set for the selected vital sign.
2.
For the selected vital sign, do one of the following:
•
Leave the limit unchanged or
•
Press
or
as needed to change the limit to another value or to ‘- -’ to disable
the alarm.
3.
Press
to accept the displayed alarm limit and advance to the next vital sign.
The display moves to the next window (for example, from SYS HIGH to SYS LOW, or
from SYS LOW to DIA HIGH).
4.
To continue changing alarm limits, repeat from
; to return to normal operation,
do nothing for 10 seconds.
To set the MAP alarm limits, if MAP is enabled:
5.
Continue from (
) until you have cycled through all of the display windows; that
is, until you have cycled through SpO2 LOW.
The display moves to the message window, which displays the current MAP high
alarm limit, as follows:
MAP
XXX mmHg or MAP XXX kPa
MAP
XXX mmHg or MAP XXX kPa
6.
Change or accept the MAP high alarm limit as described above (from
).
7.
Press
to step to the MAP low alarm limit.
8.
Change or accept the MAP low alarm limit.
The range of high and low alarm limits for each vital sign is shown here:
Note
For patient safety, all alarms are reset to the factory default levels whenever the
patient type is changed. This means that you must either accept the default
alarm limits or set new limits every time you change patient type (
,
, or
).
The ‘high’ alarm for any vital sign is always higher than the ‘low’ alarm for the
same vital sign. For example, the alarm limit for systolic high is always higher
than the alarm limit for systolic low.
A reading that exactly reaches the alarm threshold without crossing the alarm
threshold does not qualify as an alarm condition.