Gima OXY-100 Manuel De L'utilisateur page 43

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4 Factors affecting SpO accuracy (interference reason)
2
- Intravascular dyes such as indocyanine green or methylene blue
- Exposure to excessive illumination, such as surgical lamps, bilirubin lamps,
fluorescent lights, infrared heating lamps, or direct sunlight.
- Vascular dyes or external used color-up product such as nail enamel or
color skin care
- Excessive patient movement
- Placement of a sensor on an extremity with a blood pressure cuff, arterial
catheter, or intravascular line
- Exposure to the chamber with High pressure oxygen
- There is an arterial occlusion proximal to the sensor
- Blood vessel contraction caused by peripheral vessel hyperkinesias or body
temperature decreasing
5 Factors causing low SpO value (pathology reason)
2
- 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