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An inaccurate
t
E
CO
2
•
Incorrect disposable application or use.
•
Microstream
®
Disposable disconnected or not securely
connected to
t
E
CO
•
Airway connection clogged, twisted, or leaking.
•
Placement too close to electrosurgery equipment.
•
Mechanically ventilated patient breathes spontaneously.
Loss of a respiratory rate signal can occur in any of the
following situations:
•
Incorrect disposable application or use.
®
•
Microstream
Disposable disconnected or not securely
connected to
t
E
CO
•
Airway connection clogged, twisted, or leaking.
•
Patient not breathing.
•
Placement too close to electrosurgery equipment.
The
t
Module provides the option to display
E
CO
2
an example of a normal waveform (normal ventilation,
A - B: baseline period of no
B - C: rapid rise in
CO
C - D: alveolar plateau
D:
end of expiration; end tidal
D - E: inhalation
Waveforms can be used to troubleshoot problems with equipment or monitor configuration, as well as to
monitor a patient's clinical status. The following graphs are examples of common problems identifiable
through waveform analysis. These are examples only and do not represent all potential abnormal
waveforms. Abnormal waveforms are not always associated with alarms.
®
Alaris
System (with v9 Model 8000) DFU
EtCO
Module Section
2
Measurement Accuracy (Continued)
measurement may be caused by:
Module.
2
Module.
2
Waveform Analysis
; end of inhalation
CO
2
2
(
CO
E
2
t
readings as a waveform. The following graph is
E
CO
2
-
mmHg).
35
45
t
)
CO
2
D D D D
5-23
General Information
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Troubleshooting
