ZOLL M Series Defibrillator Rev D ETCO2 - Manual (Page 14)

M S
ERIES
O
PERATOR
’
S
G
UIDE
- O
PTION
I
NSERT
EtCO
2
- 12
occurs, clear any occlusion in the adapter or
cannula, remove the source of CO
2
, wait 20
seconds, and try zeroing again.
Pressing the Zero softkey causes the start/cancel menu
to appear. Pressing the Zero softkey again toggles the
highlight between Start and Cancel.
Pressing the Enter softkey with Start highlighted initiates
zeroing of the adapter or module. The unit displays the
"ZEROING CO2 ADAPTER" or "ZEROING CO2
MODULE" message during the zeroing process, which is
typically finished in 15 seconds.
The unit displays the “ZERO DONE” message when the
zeroing process is complete.
The unit displays the “ZERO FAILED” message if the
zeroing process did not complete successfully. If this
occurs, clear any occlusion in the adapter or sample line,
remove the source of CO
2
, and try zeroing again.
The Cancel selection halts the adapter zeroing process.
Pressing Enter allows the user to enter the highlighted
selection. Pressing Return returns the user to the EtCO
2
submenu.
Average Softkey
The M Series unit provides three (3) different time
periods over which EtCO
2
values are averaged: 1 breath,
10 seconds (default), and 20 seconds.
The user can select the averaging period by pressing the
Average softkey. When the Average softkey is pressed,
the unit displays the Average, Enter, and Return
softkeys.
Pressing the Average softkey scrolls the highlighted
area among the different averaging periods of 1 breath,
10 seconds, and 20 seconds.
Pressing the Enter softkey allows the user to select the
highlighted averaging period. Pressing the Return
softkey returns the user to the EtCO
2
submenu.
Comp Softkey
The M Series unit can compensate for elevated levels of
oxygen and/or the presence of nitrous oxide. Oxygen
compensation should be activated when oxygen levels in
excess of 60% are present in the airway circuit. Nitrous
oxide compensation should be activated when nitrous
oxide is present in the airway circuit. If the concentration
of oxygen in the breathing circuit exceeds 60% and
nitrous oxide is in use, both O
2
and N
2
O should be
activated.
When the Comp softkey is pressed, the unit displays the
Comp., Enter, and Return softkeys.
Pressing the Comp. softkey scrolls the highlight among
the different types of compensation available (either
NONE, O2, N2O, or O2 & N2O).
The O2&N2O selection turns oxygen and nitrous oxide
compensation on. The unit displays two asterisks (*) on
the left side of the CO2 field to indicate compensation for
both oxygen and nitrous oxide. The left asterisk indicates
oxygen compensation is active and the right asterisk
indicates nitrous oxide compensation is active.
The O2 selection turns oxygen compensation on and
displays an asterisk in the far left of the CO2 field. The
N2O selection turns nitrous oxide compensation on and
displays an asterisk to the right of the O2 asterisk. The
NONE selection turns all compensations off and
eliminates the asterisks from the display.
After selecting the appropriate compensation press
Enter to activate the selected function. Pressing the
Return softkey returns the user to the EtCO
2
submenu.
Zoom Softkey
The user can select the zoom level for capnogram
waveforms by pressing the Zoom softkey. When the
Zoom softkey is pressed, the scale for the displayed
capnogram waveform scrolls among zoom levels:
• 0-12.5 mmHg
• 0-25 mmHg
• 0-50 mmHg
• 0-75 mmHg
• 0-100 mmHg
The scales are 0-1.7, 0-3.3, 0-6.6, 0-10, and 0-13.3 if
units of kPa or % have been configured. (Refer to the
M Series Configuration Guide for instructions on how to
configure alternate units of measure.)
Alarms
The M Series EtCO
2
option provides user programmable
"out of range" alarms for both EtCO
2
and respiration rate.
See "Default Settings" on page 15 for low and high alarm
limit default values and ranges.
The EtCO
2
and respiration rate alarms share the same
State field in the Alarms Menu and cannot be enabled or
disabled separately. Enabling the EtCO
2
alarms enables
both EtCO
2
and respiration rate alarm functions;
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