EarlyVue VS30 Instructions for Use 9-13
CO
2
Safety Information
CO
2
Safety Information
WARNING
•CO
2
measurements are not approved with nuclear spin tomography (MRT, NMR, NMT) as the
function of the monitor may be disturbed.
• Carefully route the sampling line to reduce the possibility of patient entanglement or
strangulation.
• Do not lift the monitor by the sampling line, as the sampling line could disconnect from the
monitor, causing the monitor to fall on the patient.
• EtCO
2
measurement accuracy may decrease temporarily while performing electro-surgery or
defibrillation. This does not affect patient or equipment safety.
• The etCO
2
readings do not always correlate closely with paCO
2
values, especially in patients with
pulmonary disease, pulmonary embolism or inappropriate ventilation.
• Loose or damaged connections may compromise ventilation or cause an inaccurate
measurement of respiratory gases. Securely connect all components and check connections for
leaks according to standard clinical procedures.
• Check CO2 and O2 tubing regularly during use to ensure that no kinks are present. Kinked tubing
may cause inaccurate CO2 sampling or affect O2 delivery to patient.
• Do not measure CO
2
in the presence of pharmaceuticals in aerosols.
• Explosion hazard: The sidestream measurement should not be used in the presence of
flammable anesthetics such as:
- Flammable anesthetic mixture with air
- Flammable anesthetic mixture with oxygen or nitrous oxide
•CO
2
values for non-intubated patients using Microstream™ accessories always tend to be lower
than for intubated patients. If values appear extremely low, check whether the patient is
breathing through the mouth or whether one nostril is blocked.
• The device should not be used as an apnea monitor.
• If calibration does not take place as instructed, the monitor may be out of calibration. A monitor
that is out of calibration may provide inaccurate results.
• Always respond immediately to a system alarm since the patient may not be monitored during
certain alarm conditions.
• Before each use, verify that the alarm limits are appropriate for the patient being monitored.
• Leakages in the breathing system or sampling system may cause the displayed etCO
2
values to
be too low. Always connect all components securely and check for leaks according to standard
clinical procedures. Displacement of the nasal or combined nasal oral cannulas can cause lower
than actual etCO
2
readings.
• When using a sampling line for intubated patients with a closed suction system, do not place the
airway adapter between the suction catheter and endotracheal tube. This is to ensure that the
airway adapter does not interfere with the functioning of the suction catheter.
• When using the CO
2
measurement on patients who are receiving or who have recently received
anesthetics, connect the outlet to a scavenging system or to the anesthesia machine/ventilator to
prevent exposure of medical staff to anesthetics.
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