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Introduction
Introduction
Each operator should read this manual before using the monitor.
About LifeSense II
LifeSense II allows healthcare professionals to non-invasively monitor pulse oximetry and capnometry
on either intubated or spontaneously breathing patients.
When measuring EtCO
adapter for an endotracheal tube, a nasal cannula, or a nasal cannula with supplemental oxygen
delivery. A variety of sample lines can be used and connected to a specially designed moisture trap,
which is easily snapped into the monitor. The sample lines can be used with or without Nafion
Pulse rate and SpO
are measured by a Nonin-branded PureLight pulse oximetry sensor, provided
2
with the system. Use only those accessories recommended by Nonin. Refer to the Accessories
section for more information.
The monitor has a touch screen display where settings and adjustments are made. The only buttons
on the monitor, On/Standby (off) and Audio Pause, are located on the upper right corner of the front
panel. Next to these buttons there is a small indicator that turns green when the monitor is connected
to a power outlet. The monitor operates on a fully-charged battery for approximately 5 hours.
About Capnometry
The monitor uses sidestream non-dispersive infrared (NDIR) spectroscopy to continuously measure
the amount of CO
present at the end of exhalation (EtCO
2
has been proven to be a reliable method for detecting esophageal intubation, hypoventilation, and
disengagement of the endotracheal tube during mechanical ventilation.
CAUTION: When using sample lines that also deliver oxygen to the patient, it is
!
important to be aware that the EtCO
combination with supplemental oxygen. To obtain a true EtCO
recommended that the supplemental oxygen be disconnected for a few seconds to
establish a baseline.
About Pulse Oximetry
Pulse oximetry is a non-invasive method that passes red and infrared light through perfused tissue
and detects the fluctuating signals caused by arterial pulses. Well-oxygenated blood is bright red,
while poorly oxygenated blood is dark red. The pulse oximeter determines functional oxygen
saturation of arterial hemoglobin (SpO
red and infrared light as the volume fluctuates with each pulse.
, the patient is attached to the monitor by a sample line that can be an airway
2
2
) from this color difference by measuring the ratio of absorbed
2
), and respiratory rate (RR). Capnometry
2
value may be diluted when used in
®
reading, it is
2
tubing.
7
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