H. Strenuous action of the subject or extreme
electrosurgical interference may also affect the
accuracy.
I. Testee can not use enamel or other makeup.
J. Please clean and disinfect the device after operating
according to the User Manual(7.1).
6.3 Clinical Restrictions
A. As the measure is taken on the basis of arteriole pulse,
substantial pulsating blood flow of subject is required.
For a subject with weak pulse due to shock, low
ambient/body temperature, major bleeding, or use of
vascular contracting drug, the SpO
2
waveform (PLETH)
will decrease. In this case, the measurement will be
more sensitive to interference.
B. For those with a substantial amount of staining dilution
drug (such as methylene blue, indigo green and acid
indigo blue), or carbon monoxide hemoglobin (COHb),
or methionine (Me+Hb) or thiosalicylic hemoglobin,
and some with icterus problem, the SpO
2
determination
by this monitor may be inaccurate.
C. The drugs like dopamine, procaine, prilocaine,
lidocaine and butacaine may also be a major factor
blamed for serious error of SpO
2
measure.
D. As the SpO
2
value serves as a reference value for
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