Table of Contents
Advertisement
14 Monitoring Carbon Dioxide
Depending on the Max Hold setting configured for your monitor, the etCO
the highest CO
20 sec) or the etCO
WARNING
Correlation: The etCO
patients and patients with pulmonary disease, pulmonary embolism or inappropriate ventilation.
Pharmaceuticals in aerosols: Do not measure CO
Explosion Hazard: Do not use in the presence of flammable anesthetics or gases, such as a flammable
anesthetic mixture with air, oxygen or nitrous oxide. Use of the devices in such an environment may
present an explosion hazard.
Failure of operation: if the measurement or a sensor fails to respond as described, do not use it until
the situation has been corrected by qualified personnel.
Low etCO
etCO
values to be significantly too low. Always connect all components securely and check for leaks
2
according to standard clinical procedures. Displacement of the nasal or combined nasal oral cannulas
can cause lower than actual etCO
readings may be slightly lower than actual in patients breathing through the mouth only.
Measuring CO
The monitor (with the CO
of carbon dioxide in a patient's expired gas using the mainstream method or the sidestream method.
The mainstream CO
pediatric and neonatal patients. The sidestream CO
accessories, with intubated and nonintubated adult, pediatric, infant and neonatal patients. With
intubated patients, a sample of the respiratory gas is drawn from the patient's breathing circuit through
an airway adapter and a gas sampling tube. With non-intubated patients, the gas sample is drawn
through a nasal or oral-nasal cannula.
WARNING
Altitude Setting: The monitor is not equipped with automatic barometric pressure compensation.
Before the CO
incorrect altitude setting will result in incorrect CO
5% for every 1000m difference.
Preparing to Measure Mainstream CO
You must perform a zero as described in this procedure each time you use a new airway adapter.
1
Attach the sensor connector to the CO
measurement is integrated) or on the extension.
Wait 2 minutes, allowing the sensor to reach its operating temperature and a stable thermal
2
condition.
172
value measured within the configured time period (Max Hold set to 10 sec or
2
numeric shows breath-to-breath value (Max Hold set to Off).
2
readings do not always correlate closely with paCO
2
values: Leakages in the breathing system or sampling system may cause the displayed
2
readings. Even with combined nasal oral cannulas, the etCO
2
using the CO
2
option) or the M3014A Capnography Extension measures partial pressure
2
measurement can be used, with appropriate accessories, with intubated adult,
2
measurement is used for the first time, the altitude must be set to the correct value. An
2
Measuring CO
using the CO
2
in the presence of pharmaceuticals in aerosols.
2
Option or M3014A
2
measurement can be used, with appropriate
2
readings. The CO
2
2
connector on the monitor (when the optional CO
2
Option or M3014A
2
numeric shows either
2
, especially in neonatal
2
2
readings will typically deviate
2
2
Advertisement
Table of Contents
Troubleshooting
