Philips EarlyVue VS30 - Page 130

Desaturation Alarm (Desat)
5-10 EarlyVue VS30 Instructions for Use
In the example above:
1. The SpO
2
value falls below 90%. The High/Low alarm delay timer starts.
2. The SpO
2
value goes above 90% before 10 seconds have elapsed. The High/Low
alarm delay timer resets.
3. The SpO
2
value falls below 90%. The High/Low alarm delay timer starts.
4. The SpO
2
value remains below 90% for 10 seconds. The SpO2 Low alarm sounds.
5. The SpO
2
value falls below 80%. The Desat alarm delay timer starts.
6. The SpO
2
value goes above 80%. The Desat alarm delay timer resets.
7. The SpO
2
value falls below 80%. The Desat alarm delay timer starts.
8. The SpO
2
value remains below 80% for 10 seconds. The SpO2 Desat alarm sounds.
50
60
70
80
90
100
SpO
2
value (%)
Time (sec)
10 20 30 40 50
10 sec
1
2
3
4
5
6
7
8
10 sec