624074/07 F-7
• Attach the pulse oximetry sensor carefully, and
check the position periodically. Do not diagnose
patients based solely on the data from the
pulse oximeter. Overall judgment must be made
by a physician who understands the limitations
and characteristics of the pulse oximeter and
can read the biomedical signals acquired by
other instruments.
• The sensor cable must face away from the
patient. Safely secure the sensor cable out of
the way, to do so, attach the sensor cable hold-
ing clips to the airway tubing, and then connect
the sensor cable to the clips.
•SpO
2
measurement in case of patients with
carbon monoxide poisoning can be incorrect.
• Interfering Substances: Dyes, or any substance
containing dyes, that change usual blood
pigmentation may cause erroneous readings.
• When there is abnormally high methaemoglo-
bin and carboxyhaemoglobin, the SpO
2
reading
is incorrect.
• Pulse rate measurement is based on the optical
detection of a peripheral flow pulse and there-
fore may not detect certain arrhythmias. The
pulse oximeter should not be used as a replace-
ment or substitute for ECG-based arrhythmia
analysis.
• HLI cannot be used in patients with significant
cardiac arrhythmias (for example, arterial fibril-
lation, frequent premature beats, ventricular
fibrillation). In these patients, due to irregular
time between heart beats, HLI does not reflect
the effect of mechanical ventilation on the
stroke volume of the heart.
• High intensity extreme lights (including pulsat-
ing strobe lights) directed on the sensor may
not allow the pulse CO-oximeter to obtain read-
ings.
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