CareFusion Alaris 8015 User Manual page 331

• Sensor placed on an extremity with a blood pressure cuff,
arterial catheter, intravascular line or other causes of
insufficient perfusion.
• Nail irregularity, such as nail polish or fungus. Remove nail
polish and/or move sensor to an unaffected site.
• Placement is too close to electrosurgery equipment.
• Defibrillation.
The loss of a pulse signal can occur in any of the following
situations:
• The sensor is too tight.
• Exposure to excessive illumination; such as, a surgical
lamp (especially one with a xenon light source), bilirubin
lamp, fluorescent light, infrared heating lamp, or direct
sunlight.
• The sensor placed on an extremity with a blood pressure
cuff, arterial catheter, intravascular line, or other causes of
insufficient perfusion.
• The patient has hypotension, severe vasoconstriction,
severe anemia or hypothermia, is in cardiac arrest or is in
shock.
• There is an arterial occlusion proximal to sensor.
• Placement is too close to electrosurgery equipment.
NOTE:
Exposure to excessive illumination can be corrected by

covering the sensor with a dark or opaque material.
SpO Module Section
2
Alaris System User Manual – with v9.33 Model 8015
Measurement Accuracy (Continued)
General Information
4-29