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5.2.3. CPR mode
The CPR mode consists of timed chest compression audible prompts
coupled with automatically delivered breaths for both intubated
and mask ventilated patients. There is also a visual animated display
to guide the health care provider while performing CPR.
The CPR mode for masked ventilated patients is the default setting
for this mode but changes can be made between the 2 sub-modes
at any time.
The CPR mode for masked ventilated patients consists of 2 phases,
chest compression and ventilation. 30 chest compressions over
18 seconds are synchronized with audible prompts and on screen
visual animations, followed by two, 1 second, mandatory breaths
within a 5 second ventilation phase. The ratio between chest
compressions and ventilations is 30:2 (Figure 12a).
The CPR mode for intubated patients consists of continuous
compressions indicated by an audible prompt and visual animation
at a rate of 100 compressions per minute plus automatically
delivered breath every 6 seconds (Figure 12b).
The ventilation in CPR mode is flow controlled ventilation. The tidal
volume is user selectable. The O2% is fixed at 100% oxygen during
CRP mode.
The ventilator will automatically compensate up to 30% of the
required tidal volume Vt in case a leak is detected. Beyond this limit,
low Paw visual and audible alarms will be activated to warn rescuer
to either re-apply the mask or increase the set tidal volume.
TABLE 4 - Default Ventilation Setting- CPR
PARAMETER
Tidal Volume
P max.
P min.
O
%
2
e500 User Manual
RANGE
100,150, 200, 250, 300, 350,400,
450, 500, 550, 600, 650
10, 15, 20, 25, 30, 35, 40, 45, 50,
55, 60, 80
0, 2, 3, 4, 5, 6, 7, 8, 10, 12, 15, 20
100%
DEFAULT
Carry over from
previous mode
Carry over from
previous mode
Carry over from
previous mode
100%
35
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