PHILIPS Respironics Trilogy 202 User Manual page 154

6. Verify the Low Inspiratory Pressure Alarm
This procedure verifies that the Low Inspiratory Pressure alarm
is working properly. It assumes that you have attached the test
lung, verified ventilator settings, and turned on ventilator power as
described in the Initial Setup section.
A. Change Ventilator Settings
Modify the ventilator settings and change the following values
shown below in Table 13.
Setting
Mode
Tidal Volume
FiO
2
Breath Rate
Inspiratory Time
Flow Pattern
PEEP
Sigh
Circuit Disconnect
Low Inspiratory Pressure
High Inspiratory Pressure
Apnea
All other alarms
B. Verify the Alarm
Wait up to 40 seconds and verify the following alarm signals:
•
The High Priority audible indicator sounds
•
A red light flashes on the
Pause button
•
The Low Inspiratory Pressure alarm condition
appears on the screen, highlighted in red
Value
CV
500 ml
21%
12 BPM
1.0 seconds
Ramp
4 cmH O
2
Off
Off
40 cmH O
2
60 cmH O
2
Off
Off
Alarm Indicator/Audio
Table 13 - Ventilator Settings
Chapter 10 System Checkout Procedures
145