User Manual for Fingertip Oximeter
21
4. Factors causing low SpO
2
Measuring value
(pathology reason)
Hypoxemia disease, functional lack of HbO
2
Pigmentation or abnormal oxyhemoglobin level
Abnormal oxyhemoglobin variation
Methemoglobin disease
Sulfhemoglobinemia or arterial occlusion exists
near sensor
Obvious venous pulsations
Peripheral arterial pulsation becomes weak
Peripheral blood supply is not enough
Guidance and manufacturer’s declaration
The following tables (
Table 1 to 4
) provide the specific
information regarding this device's compliance to IEC
60601-1-2.