13 Monitoring Carbon Dioxide
221
Suppressing Sampling (not Mainstream CO2)
To temporarily stop sampling, in the Setup CO₂ menu, select Pump 15Min Off or use the CO₂ Pump
Off SmartKey if available.
Selecting
Pump 15Min Off again before fifteen minutes have passed resets the timer to fifteen
minutes.
To re-start the pump, in the
Setup CO₂ menu, select Pump On.
Changing CO2 Alarms
This refers to CO
2
specific alarms. See the Alarms section for general alarm information.
1 In the Setup CO₂ menu, select etCO₂ High or imCO₂ High and choose the high alarm limit.
2 Select etCO₂ Low and choose the low alarm limit.
Changing the Apnea Alarm Delay
This determines the time limit after which the monitor alarms if the patient stops breathing.
1 In the Setup CO₂ menu, select awRR.
Correction
Altitude
(M3014A only)
Altitude is set during installation. The monitor automatically applies an
appropriate correction.
O
2
(M3014A only)
In the
Setup CO₂ menu, select Oxy. Corr and select a value between 20% and
100%, the default value is 20%. If you are not measuring the expired O
2
,
estimate it by subtracting 5% from the inspired O
2
then select the nearest
value from the list.
Humidity At installation, the monitor is configured to automatically apply either Body
Temperature Pressure Saturated (BTPS) or Ambient Temperature Pressure
Dry (ATPD). To see which, go to the
Setup CO₂ menu, and scroll down to
look at
Hum. Corr or Humidity Corr..
N
2
O
(M3016A mainstream
and M3015A/B
microstream only)
In the
Setup CO₂ menu, select N₂O Corr. and turn on or off. If N
2
O is
present in the ventilation gas mixture, you must turn this on.
If the N
2
O correction is not available in the Setup CO₂ menu, the CO
2
measurement in your MMS Extension does not require N
2
O correction or it
is setup with
Gas Corr. (see below).
Gas
(M3014A only)
In the
Setup CO₂ menu, select Gas Corr. and select Helium, N₂O or turn off.
If Helium or N
2
O is present in the ventilation gas mixture, you must make
the appropriate selection.
If the Gas correction is not available in the
Setup CO₂ menu, the CO
2
measurement in your MMS Extension does not require N
2
O or Helium
correction or the N
2
O correction is setup with N₂O Corr. (see above).
Agent
(M3014A only)
In the
Setup CO₂ menu, select Agt. Corr and select the concentration of the
anesthetic agent (between 0.0% and 20.0%). If an anesthetic agent is present
in the ventilation gas mixture, you must select the appropriate concentration.
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