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10 Monitoring SpO2
Clinical Example
You are monitoring a patient with a low SpO
to 89% for 20 seconds, and then recovers.
The Smart Alarm Delay would tolerate this limit violation up to 50 seconds (upper shaded cell in the
table) before issuing an SpO
If the SpO
shaded cell).
Actual deviation from
violated alarm limit
1%
2%
3%
4%
5%
6%
7%
8%
9%
>9%
In the clinical example above, the
patients, the tolerance time can be adjusted using
178
low alarm. So in this case there would be no alarm notification.
2
drops further (e.g. to 85%), the tolerance time is much lower (10 seconds, see lower
2
Resulting alarm notification delay according to selected mode
Short
25 sec (maximum delay)
12 sec
10 sec (minimum delay)
10 sec
10 sec
10 sec
10 sec
10 sec
10 sec
10 sec
Table with Detailed Delays for Specific Limit Violations
Medium
limit of 90%. Then, while sleeping, your patient drops
2
Medium
50 sec (maximum delay)
25 sec
16 sec
12 sec
10 sec (minimum delay)
10 sec
10 sec
10 sec
10 sec
10 sec
delay mode has been selected. For less stable or more robust
or
mode.
Short
Long
Long
100 sec (maximum delay)
50 sec
33 sec
25 sec
20 sec
16 sec
14 sec
12 sec
11 sec
10 sec (minimum delay)

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