Welch Allyn 1500 Patient Monitor v.1.4.X - User Manual - Manual (Page 71)

Directions for use Monitoring and Measurements 67
NIBP alarms and messages
Message Possible cause Suggested action
NIBP needs service No NIBP module detected. Switch off and restart.
Replace monitor.
NIBP artifact
cannot measure Patient has moved. Calm the patient.
Max. required pressure is higher
than the initial pressure of
160 mmHg.
1
1. If the initial pressure is too low, the measurement is immediately restarted and the pressure is increased by
60 mmHg.
Repeat measurement. The monitor will
automatically increase the initial pressure.
Cannot measure
NIBP Patient has moved. Check and calm patient.
Very unsteady pulse. Apply cuff to another extremity with less
movement and steady pulse.
Air tube plugged or leaking. Check tube and cuff.
NIBP cuff leak No cuff connected, or cuff or
insufficiently fitted or defective. Check cuff position.
Check cuff for tightness.
Check if the cuff is connected to the monitor.
NIBP signal low Blocked tube; kink in the tube. Check and replace the tube if required.
Cuff not applied correctly. Reposition/check the cuff.
Pulse too low for good
measurement. Apply the cuff to another extremity where
the pulse measurement is easier.
NIBP time too long Inflation time exceeded (max.
135 sec.) due to interferences
because the patient has moved Check the patient (see also message "cannot
measure").
Repeat the measurement.
NIBPs < [lower limit] Systolic pressure too low. Check the patient and alarm limits.
NIBPs > [upper limit] Systolic pressure too high. Check the patient and alarm limits.
NIBPd < [lower limit] Diastolic pressure too low. Check the patient and alarm limits.
NIBPd > [upper limit] Diastolic pressure too high. Check the patient and alarm limits.
NIBPm < [lower limit] Mean pressure too low. Check the patient and alarm limits.
NIBPm > [upper limit] Mean pressure too high. Check the patient and alarm limits.