Welch Allyn 1500 Patient Monitor v.1.4.X - User Manual - Manual (Page 67)

Directions for use Monitoring and Measurements 63
etCO
2
alarms and messages
l
Message Possible cause Suggested action
etCO
2
> [upper limit]
etCO
2
< [lower limit]
etCO
2
is higher / lower than
alarm limit.
Check the patient.
RR > [upper limit]
RR < [lower limit] RR is higher / lower than alarm
limit. Check the patient.
FiCO
2
> [upper limit] FiCO
2
has exceeded alarm limit. Check the patient and ventilator.
CO
2
needs calibration CO
2
measurement reading too
low due to:
•
Incorrect calibration
• Module requires calibration
Carry out calibration.
IPI cannot measure CO
2
measurement reading too
low.
SpO
2
measurement too low or
absent.
Check the patient.
Check SpO
2
measurement and sensor.