If the result of a measurement seems abnormal, do not hesitate to take a new measurement, taking care to respect the precautions of use, as well as these additional tips:
- The finger must be placed correctly, otherwise inaccurate measurements may result.
- Place the finger so that the patient's arteriole is positioned between the photoelectric receiver of the SpO2 sensor and the light emitter.
- Avoid using the device on a limb that is connected to a catheter, blood pressure cuff, or under intravenous vascular injection.
- Make sure that there are no obstructions to the optical light (e.g. dust on the receiver, plaster on the finger).
- Excessive lighting can affect the measurements. This includes fluorescent lamps, infrared heaters, and direct sunlight.
- Patient movement and interference with electrical equipment can affect the accuracy of the measurement.
- The patient's nails should be free of nail polish and other cosmetics.
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