User's Manual

User Manual for Fingertip Oximeter
24
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