User Manual Manual
56 Monitoring and Measurements Welch Allyn 1500 Patient Monitor
Respiration rate alarms and messages
Message Possible cause Suggested action
RR out of range (too
high)
The patient's RR is too high for
accurate measurement.
Check the patient.
Electrical interferences from
other devices.
Remove source of the interference.
Signal disturbed due to frequent
artifacts caused by bad
electrode contact.
Check and reapply/replace electrodes if
required.
RR lead off Electrode loose/defective. Check and reapply/replace electrodes.
RR artifact Patient has moved. Calm the patient.
Interferences by other devices. Remove source of the interference.
Bad electrode. Check/replace electrodes.
RR > [upper limit]
RR < [lower limit]
RR is higher or lower than alarm
limit.
Check the patient.