SaO
2
HbCO
SaO
2
Methemoglobin
1%
5%
10%
1%
5%
10%
50
50
70
70
90
90
100
100
Measured value is always
Displayed value is sometimes
SaO
2
is around 50%.
-0.1
-0.7
-1.5
+0.2
+1.3
+3.2
-0.2
-0.8
-1.6
-1.5
-6.0
-9.6
-0.1
-0.7
-1.5
-0.6
-2.3
-3.2
-0.2
-0.8
-1.7
-1.8
-7.5
-12.2
•
When influenced electromagnetically by other electronic de-
vices (e.g. near electrical appliances like TV, medial device)
•
When a mobile telephone is used during measurement
•
When influenced by abnormal hemoglobin like carbon
monoxide hemoglobin (HbCO) and methemoglobin
•
When pigments such as cardiogreen, intravascular dyes
and indocyanine greenare present in the blood
•
When finger nails are polished
•
Tables 1 and 2 below show the errors which may occur due to
these hemoglobins.
• Do not immerse the probe, the extension cable or the con-
necter of PULSOX-300i in disinfectant. Doing so may cause
a malfunction.
• When using the Extension Cable EC-300, fit and secure ca-
bles so they are not too loose or too tight.
•
Before connecting to a personal computer, remove the Pulsox
from the patient.
