Capnometry (etCO
2
)
227 490 02-C Marquette Responder® 3000 57
0.0%
500 1000 1500 2000
altitude error
altitude (m)
error
2500 3000 3500 4000 50004500
-5.0%
-10.0%
-15.0%
-20.0%
-25.0%
-30.0%
-35.0%
-40.0%
Figure 10-6. Measurement accuracy as a function
of the altitude of the measuring site
↓
ECG SpO2
etCO2
QRSPulse
Tone
OFF
Next
Menu
Figure 10-7. Main menu
↓
Filter
ON
Assign
Channel
Waveform
DisplayMemory
Previous
Menu
Figure 10-8. Main menu, page 2
↓
ECG
ECG
Vit. Sign
ECG
Vit. Sign
Channel 1
Channel 2
Channel 3
Previous
Menu
Figure 10-9. Menu to assign waveforms to
channels
ECG
ECG
I
II
15.07.1999 09:05:00
160 / 40
bpm
etCO2
SpO2
QRSPulse
Tone
OFF
Next
Menu
semiautom.
89
etCO2
---
20
mmHg
37
a
etCO2
Figure 10-10.Capnogram in channel 3
a automatic sensor calibration
Displaying the Capnogram
The capnogram can be displayed in channel 3 with
a sweep speed of 6.25 mm/s (but it is printed with
a speed of 25 mm/s).
•
Press
F5
Next Menu
(Figure 10-7).
•
Press
F2
Assign Channel Waveform
(Figure 10-8).
•
Press
F3
(Figure 10-9)
repeatedly until "etCO
2
"
is displayed (Figure 10-10).
•
When the etCO
2
measurement is disabled, a
sawtooth signal is displayed which can be
replaced with an ECG lead.
•
During the automatic sensor calibration
process, a calibration pulse is superimposed on
the capnogram (
a
, Figure 10-10).
Cleaning the Sensor
Use a soft cloth moistened with an alcoholic, non-
abrasive cleaning agent to wipe the sensor surface
including the IR light source, the photodetector
and the connecting lead carefully clean. Use an
alcoholic, non-abrasive cleaning agent.
Caution
Damage to Sensor — Do not use caustic or abra-
sive cleaners or hard cleaning utensils.
Do not touch the surface of the IR light source or
of the photodetector with fingers or any hard
object. This could affect the performance of these
fine optical devices.
Do not autoclave the sensor or sterilize it with
ethylene oxide.
Do not immerse the sensor in liquid.
Warning
Infection Hazard — The airway adapter is for
single use only and must not be reused.
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