Passport® - Mindray

Respiration Monitoring Respiration and CO 2 Troubleshooting
5.4 Respiration and CO 2 Troubleshooting
MESSAGE/PROBLEM REASON SOLUTION
Resp. Waveform Too Large Scales set inappropriately. Change lead selection.
Change Respiration scale.
Resp. Waveform Too Small Patient breathing is shallow
or patient is turned on side.
Change lead selection.
Scale set inappropriately. Change respiration scale.
False Apnea Alarm Apnea delay may be Choose another apnea
improperly set.
delay
Patient may be having Reposition electrodes to
frequent episodes of CVA. better detect respirations.
Scale size may be too low. Change Respiration scale
No Resp. Waveform or Respiration turned Off. Turn respiration On
Rate Displayed
(Off will be displayed in
Resp. tile).
Patient connected using
ESIS choke cable.
Cable not connected.
CO2 not selected in
Display Setup Menu.
“CHK Lead” Message Increased impedance
caused by one of the
following:
Chest hair under
electrodes.
Check that proper patient
cable is used. Use approved
non-ESIS patient cable.
Check cable.
Set CO2 in Display Setup
Menu.
Prep chest.
Dried electrode gel. Change electrodes.
Electrode off. Replace electrode.
Lead off. Replace lead.
Cracked lead wires. Replace lead wires.
Poor skin prep. Clean and abrade skin
before applying electrodes.
“CVA” Message Can be caused by shallow
breathing or an apnea
event.
Check the patient.
Patient HR and respiratory
rate identical.
Adjust scales or leads if
necessary.
Passport V Operating Instructions 0070-10-0704-02 5 - 5