12 Accessories and options 97
fabian +nCPAP evolution | SW V5.1.x
Ref: 122003.EN / Date : 26Jan2021
12.4.4 PRICO disabling alarms
PRICO is turned OFF and cannot be re-enabled while any of the following alarms are active:
12.4.5 PRICO re-enabling cases
PRICO automatically turns back on in case the following alarms are not active anymore:
• Check ET tube
• Check SpO
2
sensor
• Clean flow sensor
• Flow sensor defect
• Flow sensor not connected
• Low SIQ
• O
2
value out of range
• Patient disconnected
• Tube Occlusion
12.4.6 PRICO errors
Inaccurate measurements can be caused by:
• Excessive patient movement
• Exposure to excessive illumination, such as surgical lamps (especially those with a xenon
light source), bilirubin lamps, fluorescent lights, infrared heating lamps, or direct sunlight
(correct exposure to excessive illumination by covering the sensor with a dark or opaque
material)
• Incorrect sensor application or use
• Intravascular dyes such as indocyanine green or methylene blue
• Placement of a sensor on an extremity with a blood pressure cuff, arterial catheter, or
intravascular line.
• Significant levels of dysfunctional hemoglobins (for example: carboxyhemoglobin or
methemoglobin)
• Venous pulsation
Loss of pulse signal can occur in any of the following situations:
• The patient has hypotension, severe vasoconstriction, severe anemia, or hypothermia
• The patient is in cardiac arrest or shock
• The sensor is too tight
• There is arterial occlusion proximal to the sensor
• There is excessive illumination from light sources such as a surgical lamp, a bilirubin lamp,
or direct sunlight
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