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• The WristOx is designed to determine the percentage of arterial oxygen saturation of func-
tional hemoglobin. Significant levels of dysfunctional hemoglobin may affect the accuracy
of the measurement.
• The WristOx might misinterpret motion as good pulse quality. Minimize patient motion as
much as possible, or change the type of sensor being used.
• Check the pulse oximeter sensor application site frequently to determine the positioning of
the sensor and the circulation and skin sensitivity of the patient. Patient sensitivity varies
depending on medical status or skin condition.
• Cardiogreen and other intravascular dyes, depending upon their concentrations, might
affect the accuracy of the SpO
• Some nail polish colors or artificial nails can reduce light transmission and affect SpO2
accuracy.
measurement.
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