ZOLL M Series Defibrillator Rev YH - Manual (Page 86)

M S ERIES O PERATOR ’ S G UIDE
B-2
5. “POOR LEAD CONTACT” message.
• Check that ECG cable is connected to patient and instrument.
• Check that ECG electrodes are making good contact and not
dried out.
• If changing from five (5) lead ECG patient cable to three (3)
lead ECG patient cable, turn unit OFF for at least 10 seconds.
• Replace ECG cable.
6. Noisy ECG, Artifact, Wandering Baseline.
• Consider 1 – 21Hz filter bandwidth (see M Series
Configuration Guide)
• Prepare the patient’s skin prior to electrode attachment.
• Check for proper adhesion of electrodes to patient.
• Reduce or eliminate ECG artifact due to electrode or patient
cable movement. Route cables so that they don’t pull on
electrodes or swing excessively.
• Ensure patient is motionless.
• Check for possible excessive radio frequency interference.
7. Poor ECG signal level, calibration pulse normal.
• Select another lead.
• Apply new electrodes using different placement.
8. Inconsistent QRS beep or heart rate.
• Increase beeper volume.
• Select another lead.
• Alter ECG electrode placement.
9. Sync marker is absent or inconsistent with QRS
waveform on display and recorder.
• Ensure device is in SYNC mode.
• Change ECG lead selection.
• Alter ECG electrode placement.
• Paper too narrow. It should be 90 mm wide.
10. Unit displays the CABLE FAULT or PADDLE
FAULT message.
• Check the connection between the Multifunction cable and
the MFE pads.
• Remove the CPRD-to-MFC connector, if in use, and plug the
multifunction cable directly into the CPR-D•padz.
Symptom Recommended Action