Passport® - Mindray
Passport® - Mindray
Passport® - Mindray
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SpO2 Monitoring SpO 2 Pulse Oximetry<br />
6.4 SpO 2 Pulse Oximetry<br />
Pulse oximetry is a continuous and non-invasive measurement of the amount of oxygen<br />
attached to the hemoglobin in red blood cells. SpO2 is an estimation of arterial oxygen<br />
saturation, SpO2 may be used interchangeably with SaO2 . The Passport V comes<br />
standard with Masimo SET ® SpO2. Nellcor ® OxiMax ® SpO2 and DPM SpO2 are options.<br />
SpO 2 Measurements<br />
1. Select the appropriate sensor for the patient.<br />
2. Attach the SpO2 patient cable to the sensor and plug the other end of the patient cable<br />
into the SpO2 connector located on the left side panel of the monitor.<br />
NOTE: Do not place the sensor on an extremity with an IV catheter<br />
or blood pressure cuff in place.<br />
3. The pleth waveform and digital SpO 2 value will be displayed by default in the second<br />
waveform and parameter area. If desired, enter the Display Setup Menu to position<br />
Pleth waveform and data in an alternate location.<br />
Calibration<br />
The oximetry sub-system incorporates automatic calibration mechanisms. No other<br />
calibration is required.<br />
Auto Scaling<br />
The pleth waveform is automatically scaled and is not proportional to the patient’s pulse<br />
volume. There is no adjustment that can be made to the pleth waveform.<br />
CAUTION: Tissue damage or inaccurate measurements may be caused<br />
by incorrect SpO2 sensor application or use, such as<br />
wrapping too tightly, applying supplemental tape, failing to<br />
inspect the sensor site periodically, or failing to position<br />
appropriately. Carefully read the sensor directions for use,<br />
the Passport V Operating Instructions, and all precautionary<br />
information before use.<br />
CAUTION: Inaccurate SpO2 measurements may be caused by:<br />
Incorrect sensor application or use<br />
Significant levels of dysfunctional hemoglobins, (e.g.,<br />
carboxyhemoglobin or methemoglobin)<br />
Intra-vascular dyes such as indocyanine green or<br />
methylene blue<br />
Exposure to excessive illumination such as surgical<br />
lamps (especially ones with a xenon light source),<br />
bilirubin lamps, fluorescent lights, infrared heating<br />
lamps, or excessive ambient light. In such cases, cover<br />
the sensor site with opaque material<br />
Excessive patient movement<br />
Venous pulsations<br />
Electro-surgical interference<br />
Passport V Operating Instructions 0070-10-0704-02 6 - 5
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