H100B Pulse Oximeter User Manual
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Placement of the sensor on an extremity with a
blood pressure cuff, arterial catheter, or
intravascular line.
Excessive patient activity.
Intravascular dyes, such as indocyanine green
or methylene blue.
Externally applied coloring, such as nail polish
or pigmented cream.
Failure to cover the sensor site with opaque
materials in high ambient light conditions.
Venous pulsation.
Dysfunctional hemoglobin.
Low perfusion.
Loss-of-pulse signal occurs for the following reasons:
The sensor is applied too tightly.
Defibrillation.
A blood pressure cuff is inflated on the same
extremity as the one with the sensor attached.
There is arterial occlusion proximal to the
sensor.
Poor peripheral perfusion.
Loss of pulse/cardiac arrest.
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