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138
Zero CO
2
This control initiates the sensor zero procedure. This procedure needs to be done only when you switch airway adapter
types (disposable or reusable) and as part of the calibration check. See the section "Zeroing the CAPNOSTAT 5" on
page 144.
Note:
The CO
Zero and calibration-check controls are available only when CO
2
connected and has completed initialization. This initialization may take up to five seconds.
Calibration Check
This control provides access to a calibration-check procedure. This procedure needs to be done only during the yearly,
preventative maintenance procedure. See the section "Checking the Accuracy of the CAPNOSTAT 5" on page 146.
Monitored Values
End Tidal CO
(EtCO
2
The patient's peak expired CO
breath. The display is either a breath-by-breath measurement or an averaged measurement.
Range: 0 – 150 mmHg (0 – 20.0 kPa)
Resolution: 0.1 mmHg (0.01 kPa) or three significant digits (whichever is greater)
Accuracy:
± 2 mmHg for 0 – 40 mmHg
± 5% of reading for 41 – 70 mmHg
± 8% of reading for 71 – 100 mmHg
± 10% of reading for 101 – 150 mmHg
Note:
The minimum differential between inspired and expired CO
WARNING!
Do not use EtCO
independent monitors such as blood gas.
CO
Elimination (V
C O
2
The amount of CO
averaging time.
Range: 0 – 999 mL/min
Resolution: 0.1 mL or three significant digits (whichever is greater)
Chapter 5: Volumetric Capnography
)
2
as measured and reported by the CO
2
as basis for changing ventilation parameters without reference to clinical condition and
2
)
2
eliminated every minute. This is calculated over each minute, and then averaged over the set V
2
is enabled and a sensor has been
2
sensor in the airway. EtCO
2
must be 5 mmHg (0.7kPa) or greater.
2
Operator's manual
is measured for each
2
CO
2
L2786 Rev. M
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Troubleshooting
